diff --git a/geneit_app/package-lock.json b/geneit_app/package-lock.json
index f6d7325..76ee6ad 100644
--- a/geneit_app/package-lock.json
+++ b/geneit_app/package-lock.json
@@ -15,7 +15,8 @@
         "@mdi/js": "^7.2.96",
         "@mdi/react": "^1.6.1",
         "@mui/icons-material": "^5.11.16",
-        "@mui/material": "^5.13.4",
+        "@mui/lab": "^5.0.0-alpha.140",
+        "@mui/material": "^5.14.5",
         "@mui/x-data-grid": "^6.9.2",
         "@testing-library/jest-dom": "^5.16.5",
         "@testing-library/react": "^13.4.0",
@@ -3030,16 +3031,16 @@
       }
     },
     "node_modules/@mui/base": {
-      "version": "5.0.0-beta.6",
-      "resolved": "https://registry.npmjs.org/@mui/base/-/base-5.0.0-beta.6.tgz",
-      "integrity": "sha512-jcHy6HwOX7KzRhRtL8nvIvUlxvLx2Fl6NMRCyUSQSvMTyfou9kndekz0H4HJaXvG1Y4WEifk23RYedOlrD1kEQ==",
+      "version": "5.0.0-beta.11",
+      "resolved": "https://registry.npmjs.org/@mui/base/-/base-5.0.0-beta.11.tgz",
+      "integrity": "sha512-FdKZGPd8qmC3ZNke7CNhzcEgToc02M6WYZc9hcBsNQ17bgAd3s9F//1bDDYgMVBYxDM71V0sv/hBHlOY4I1ZVA==",
       "dependencies": {
-        "@babel/runtime": "^7.22.5",
+        "@babel/runtime": "^7.22.6",
         "@emotion/is-prop-valid": "^1.2.1",
         "@mui/types": "^7.2.4",
-        "@mui/utils": "^5.13.7",
+        "@mui/utils": "^5.14.5",
         "@popperjs/core": "^2.11.8",
-        "clsx": "^1.2.1",
+        "clsx": "^2.0.0",
         "prop-types": "^15.8.1",
         "react-is": "^18.2.0"
       },
@@ -3061,10 +3062,18 @@
         }
       }
     },
+    "node_modules/@mui/base/node_modules/clsx": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.0.0.tgz",
+      "integrity": "sha512-rQ1+kcj+ttHG0MKVGBUXwayCCF1oh39BF5COIpRzuCEv8Mwjv0XucrI2ExNTOn9IlLifGClWQcU9BrZORvtw6Q==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/@mui/core-downloads-tracker": {
-      "version": "5.13.7",
-      "resolved": "https://registry.npmjs.org/@mui/core-downloads-tracker/-/core-downloads-tracker-5.13.7.tgz",
-      "integrity": "sha512-/suIo4WoeL/OyO3KUsFVpdOmKiSAr6NpWXmQ4WLSxwKrTiha1FJxM6vwAki5W/5kR9WnVLw5E8JC4oHHsutT8w==",
+      "version": "5.14.5",
+      "resolved": "https://registry.npmjs.org/@mui/core-downloads-tracker/-/core-downloads-tracker-5.14.5.tgz",
+      "integrity": "sha512-+wpGH1USwPcKMFPMvXqYPC6fEvhxM3FzxC8lyDiNK/imLyyJ6y2DPb1Oue7OGIKJWBmYBqrWWtfovrxd1aJHTA==",
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/mui"
@@ -3095,19 +3104,68 @@
         }
       }
     },
-    "node_modules/@mui/material": {
-      "version": "5.13.7",
-      "resolved": "https://registry.npmjs.org/@mui/material/-/material-5.13.7.tgz",
-      "integrity": "sha512-+n453jDDm88zZM3b5YK29nZ7gXY+s+rryH9ovDbhmfSkOlFtp+KSqbXy5cTaC/UlDqDM7sYYJGq8BmJov3v9Tg==",
+    "node_modules/@mui/lab": {
+      "version": "5.0.0-alpha.140",
+      "resolved": "https://registry.npmjs.org/@mui/lab/-/lab-5.0.0-alpha.140.tgz",
+      "integrity": "sha512-k75jos6jklCD8tA20PAK2H4RSCKycTcR4Pbfz7JbdxIkWXJ+y2MRalwMcen1vpB99v0yZHNUo6BtGz6rvs2jlQ==",
       "dependencies": {
-        "@babel/runtime": "^7.22.5",
-        "@mui/base": "5.0.0-beta.6",
-        "@mui/core-downloads-tracker": "^5.13.7",
-        "@mui/system": "^5.13.7",
+        "@babel/runtime": "^7.22.6",
+        "@mui/base": "5.0.0-beta.11",
+        "@mui/system": "^5.14.5",
         "@mui/types": "^7.2.4",
-        "@mui/utils": "^5.13.7",
+        "@mui/utils": "^5.14.5",
+        "clsx": "^2.0.0",
+        "prop-types": "^15.8.1",
+        "react-is": "^18.2.0"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/mui"
+      },
+      "peerDependencies": {
+        "@emotion/react": "^11.5.0",
+        "@emotion/styled": "^11.3.0",
+        "@mui/material": "^5.0.0",
+        "@types/react": "^17.0.0 || ^18.0.0",
+        "react": "^17.0.0 || ^18.0.0",
+        "react-dom": "^17.0.0 || ^18.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@emotion/react": {
+          "optional": true
+        },
+        "@emotion/styled": {
+          "optional": true
+        },
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@mui/lab/node_modules/clsx": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.0.0.tgz",
+      "integrity": "sha512-rQ1+kcj+ttHG0MKVGBUXwayCCF1oh39BF5COIpRzuCEv8Mwjv0XucrI2ExNTOn9IlLifGClWQcU9BrZORvtw6Q==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/@mui/material": {
+      "version": "5.14.5",
+      "resolved": "https://registry.npmjs.org/@mui/material/-/material-5.14.5.tgz",
+      "integrity": "sha512-4qa4GMfuZH0Ai3mttk5ccXP8a3sf7aPlAJwyMrUSz6h9hPri6BPou94zeu3rENhhmKLby9S/W1y+pmficy8JKA==",
+      "dependencies": {
+        "@babel/runtime": "^7.22.6",
+        "@mui/base": "5.0.0-beta.11",
+        "@mui/core-downloads-tracker": "^5.14.5",
+        "@mui/system": "^5.14.5",
+        "@mui/types": "^7.2.4",
+        "@mui/utils": "^5.14.5",
         "@types/react-transition-group": "^4.4.6",
-        "clsx": "^1.2.1",
+        "clsx": "^2.0.0",
         "csstype": "^3.1.2",
         "prop-types": "^15.8.1",
         "react-is": "^18.2.0",
@@ -3139,13 +3197,21 @@
         }
       }
     },
+    "node_modules/@mui/material/node_modules/clsx": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.0.0.tgz",
+      "integrity": "sha512-rQ1+kcj+ttHG0MKVGBUXwayCCF1oh39BF5COIpRzuCEv8Mwjv0XucrI2ExNTOn9IlLifGClWQcU9BrZORvtw6Q==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/@mui/private-theming": {
-      "version": "5.13.7",
-      "resolved": "https://registry.npmjs.org/@mui/private-theming/-/private-theming-5.13.7.tgz",
-      "integrity": "sha512-qbSr+udcij5F9dKhGX7fEdx2drXchq7htLNr2Qg2Ma+WJ6q0ERlEqGSBiPiVDJkptcjeVL4DGmcf1wl5+vD4EA==",
+      "version": "5.14.5",
+      "resolved": "https://registry.npmjs.org/@mui/private-theming/-/private-theming-5.14.5.tgz",
+      "integrity": "sha512-cC4C5RrpXpDaaZyH9QwmPhRLgz+f2SYbOty3cPkk4qPSOSfif2ZEcDD9HTENKDDd9deB+xkPKzzZhi8cxIx8Ig==",
       "dependencies": {
-        "@babel/runtime": "^7.22.5",
-        "@mui/utils": "^5.13.7",
+        "@babel/runtime": "^7.22.6",
+        "@mui/utils": "^5.14.5",
         "prop-types": "^15.8.1"
       },
       "engines": {
@@ -3197,16 +3263,16 @@
       }
     },
     "node_modules/@mui/system": {
-      "version": "5.13.7",
-      "resolved": "https://registry.npmjs.org/@mui/system/-/system-5.13.7.tgz",
-      "integrity": "sha512-7R2KdI6vr8KtnauEfg9e9xQmPk6Gg/1vGNiALYyhSI+cYztxN6WmlSqGX4bjWn/Sygp1TUE1jhFEgs7MWruhkQ==",
+      "version": "5.14.5",
+      "resolved": "https://registry.npmjs.org/@mui/system/-/system-5.14.5.tgz",
+      "integrity": "sha512-mextXZHDeGcR7E1kx43TRARrVXy+gI4wzpUgNv7MqZs1dvTVXQGVeAT6ydj9d6FUqHBPMNLGV/21vJOrpqsL+w==",
       "dependencies": {
-        "@babel/runtime": "^7.22.5",
-        "@mui/private-theming": "^5.13.7",
+        "@babel/runtime": "^7.22.6",
+        "@mui/private-theming": "^5.14.5",
         "@mui/styled-engine": "^5.13.2",
         "@mui/types": "^7.2.4",
-        "@mui/utils": "^5.13.7",
-        "clsx": "^1.2.1",
+        "@mui/utils": "^5.14.5",
+        "clsx": "^2.0.0",
         "csstype": "^3.1.2",
         "prop-types": "^15.8.1"
       },
@@ -3235,6 +3301,14 @@
         }
       }
     },
+    "node_modules/@mui/system/node_modules/clsx": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.0.0.tgz",
+      "integrity": "sha512-rQ1+kcj+ttHG0MKVGBUXwayCCF1oh39BF5COIpRzuCEv8Mwjv0XucrI2ExNTOn9IlLifGClWQcU9BrZORvtw6Q==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/@mui/types": {
       "version": "7.2.4",
       "resolved": "https://registry.npmjs.org/@mui/types/-/types-7.2.4.tgz",
@@ -3249,11 +3323,11 @@
       }
     },
     "node_modules/@mui/utils": {
-      "version": "5.13.7",
-      "resolved": "https://registry.npmjs.org/@mui/utils/-/utils-5.13.7.tgz",
-      "integrity": "sha512-/3BLptG/q0u36eYED7Nhf4fKXmcKb6LjjT7ZMwhZIZSdSxVqDqSTmATW3a56n3KEPQUXCU9TpxAfCBQhs6brVA==",
+      "version": "5.14.5",
+      "resolved": "https://registry.npmjs.org/@mui/utils/-/utils-5.14.5.tgz",
+      "integrity": "sha512-6Hzw63VR9C5xYv+CbjndoRLU6Gntal8rJ5W+GUzkyHrGWIyYPWZPa6AevnyGioySNETATe1H9oXS8f/7qgIHJA==",
       "dependencies": {
-        "@babel/runtime": "^7.22.5",
+        "@babel/runtime": "^7.22.6",
         "@types/prop-types": "^15.7.5",
         "@types/react-is": "^18.2.1",
         "prop-types": "^15.8.1",
diff --git a/geneit_app/package.json b/geneit_app/package.json
index 9323da8..d0e704c 100644
--- a/geneit_app/package.json
+++ b/geneit_app/package.json
@@ -10,7 +10,8 @@
     "@mdi/js": "^7.2.96",
     "@mdi/react": "^1.6.1",
     "@mui/icons-material": "^5.11.16",
-    "@mui/material": "^5.13.4",
+    "@mui/lab": "^5.0.0-alpha.140",
+    "@mui/material": "^5.14.5",
     "@mui/x-data-grid": "^6.9.2",
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^13.4.0",
diff --git a/geneit_app/src/api/CoupleApi.ts b/geneit_app/src/api/CoupleApi.ts
index 4944c98..9f651fc 100644
--- a/geneit_app/src/api/CoupleApi.ts
+++ b/geneit_app/src/api/CoupleApi.ts
@@ -1,6 +1,5 @@
 import { APIClient } from "./ApiClient";
 import { DateValue, Member } from "./MemberApi";
-import { ServerApi } from "./ServerApi";
 
 interface CoupleApiInterface {
   id: number;
diff --git a/geneit_app/src/routes/family/FamilyMemberTreeRoute.tsx b/geneit_app/src/routes/family/FamilyMemberTreeRoute.tsx
index 759ef8a..a621a62 100644
--- a/geneit_app/src/routes/family/FamilyMemberTreeRoute.tsx
+++ b/geneit_app/src/routes/family/FamilyMemberTreeRoute.tsx
@@ -20,6 +20,7 @@ import {
 import { useFamily } from "../../widgets/BaseFamilyRoute";
 import { MemberItem } from "../../widgets/MemberItem";
 import { RouterLink } from "../../widgets/RouterLink";
+import { BasicFamilyTree } from "../../widgets/BasicFamilyTree";
 
 enum CurrTab {
   BasicTree,
@@ -116,7 +117,13 @@ export function FamilyMemberTreeRoute(): React.ReactElement {
       </div>
 
       {/* the tree itself */}
-      <Paper style={{ flex: "1" }}>todo</Paper>
+      <Paper style={{ flex: "1" }}>
+        {currTab === CurrTab.BasicTree ? (
+          <BasicFamilyTree tree={tree!} />
+        ) : (
+          <>todo</>
+        )}
+      </Paper>
     </div>
   );
 }
diff --git a/geneit_app/src/widgets/BasicFamilyTree.tsx b/geneit_app/src/widgets/BasicFamilyTree.tsx
new file mode 100644
index 0000000..a31a6d9
--- /dev/null
+++ b/geneit_app/src/widgets/BasicFamilyTree.tsx
@@ -0,0 +1,81 @@
+import { TreeItem, TreeView } from "@mui/lab";
+import { FamilyTreeNode } from "../utils/family_tree";
+import ExpandMoreIcon from "@mui/icons-material/ExpandMore";
+import ChevronRightIcon from "@mui/icons-material/ChevronRight";
+import React from "react";
+import { MemberPhoto } from "./MemberPhoto";
+import { Member, fmtDate } from "../api/MemberApi";
+import Icon from "@mdi/react";
+import { mdiCross } from "@mdi/js";
+
+export function BasicFamilyTree(p: {
+  tree: FamilyTreeNode;
+}): React.ReactElement {
+  return (
+    <TreeView
+      defaultCollapseIcon={<ExpandMoreIcon />}
+      defaultExpandIcon={<ChevronRightIcon />}
+      sx={{ flexGrow: 1 }}
+    >
+      <FamilyTreeItem n={p.tree} />
+    </TreeView>
+  );
+}
+
+function FamilyTreeItem(p: { n: FamilyTreeNode }): React.ReactElement {
+  let children = p.n.down ?? [];
+
+  if (p.n.couples) {
+    for (const c of p.n.couples) {
+      children = children.concat(c.down);
+    }
+  }
+
+  return (
+    <TreeItem
+      nodeId={p.n.member.id.toString()}
+      style={{ margin: "10px" }}
+      label={
+        <div style={{ display: "flex" }}>
+          <BasicFamilyMemberItem member={p.n.member} primary={true} />
+
+          {p.n.couples?.map((c, n) => (
+            <span
+              key={n}
+              style={{
+                marginLeft: "20px",
+              }}
+            >
+              <BasicFamilyMemberItem member={c.member} />
+            </span>
+          ))}
+        </div>
+      }
+    >
+      {children.map((c) => (
+        <FamilyTreeItem key={c.member.id} n={c} />
+      ))}
+    </TreeItem>
+  );
+}
+
+function BasicFamilyMemberItem(p: {
+  member: Member;
+  primary?: boolean;
+}): React.ReactElement {
+  return (
+    <div style={{ display: "flex", alignItems: "center" }}>
+      <MemberPhoto member={p.member} />
+      <span style={{ width: "10px" }}></span>
+      <div style={{ display: "flex", flexDirection: "column" }}>
+        <span style={{ fontWeight: p.primary ? "bold" : "unset" }}>
+          {p.member.fullName}{" "}
+          {p.member?.dead && <Icon path={mdiCross} size={"1rem"} />}
+        </span>
+        {(p.member.dateOfBirth || p.member.dateOfDeath) &&
+          fmtDate(p.member.dateOfBirth) +
+            (p.member.dateOfDeath ? " - " + fmtDate(p.member.dateOfDeath) : "")}
+      </div>
+    </div>
+  );
+}