Nielsen Hayden genealogy
Ancestors of Mechtilde of Brandenburg
1300 - 1329 (~ 27 years) ┌── Otto III of Brandenburg (Abt 1215 - 9 Oct 1267)(m. Jan 1243) =>
┌── Otto V of Brandenburg (Abt 1246 - 3 Jul 1299)(m. 22 Oct 1268)
│ └── Beatrix of Bohemia ( - 25 May 1286)(m. Jan 1243) =>
│
┌── Hermann of Brandenburg (Abt 1275 - Jan 1308)(m. Sep 1295 Graz, Austria)
│ │
│ │ ┌── Hermann I von Henneberg (1224 - 18 Dec 1290)(m. 24 May 1249) =>
│ └── Jutta von Henneberg ( - Bef 13 Sep 1295)(m. 22 Oct 1268)
│ └── Margaretha van Holland (Abt 1234 - 26 Mar 1277)(m. 24 May 1249) =>
│
Mechtilde of Brandenburg (Between 1298 and 1300 - Between Jul 1325 and 31 Mar 1329)
│
│ ┌── Rudolf IV von Habsburg (1 May 1218 - 15 Jul 1291)(m. 1245) =>
│ ┌── Albrecht I (Jul 1255 - 1 May 1308)(m. 1274 Vienna, Austria)
│ │ └── Gertrude von Hohenberg (1225 - 16 Feb 1281)(m. 1245) =>
│ │
└── Anna of Austria (Between 1275 and 1280 - 10 Mar 1327 Breslau, Silesia)(m. Sep 1295 Graz, Austria)
│
│ ┌── Meinhard V-IV-II von Tirol (Abt 1238 - 1 Nov 1295)(m. 6 Oct 1259) =>
└── Elisabeth von Tirol (Bef 1262 - 28 Oct 1313)(m. 1274 Vienna, Austria)
└── Elisabeth of Bavaria (Abt 1227 - 9 Oct 1273)(m. 6 Oct 1259) =>