Isabella married Friedrich II Von Hohenstaufen in 1235. Friedrich (son of Holy Roman Emperor Henrich VI Von Hohenstaufen and Konstanze De Sizilia) was born on 26 Dec 1194; died on 13 Dec 1250. [Group Sheet] [Family Chart]
Margareta married Albrecht "Der Entartete" Von Thuringen in 1255. Albrecht (son of Heinrich "Der Erlauchte" Von Thuringen and Konstanze Von Osterreich) was born in 1240; died in 1315. [Group Sheet] [Family Chart]
Friedrich married Elisabeth Von Lobdeburg in 1300. Elisabeth (daughter of Hartmann Von Lobdeburg and Elisabeth Von Orlamunde) was born in 1286; died in 1359. [Group Sheet] [Family Chart]
Freidrich married Mechtild Von Bayern in 1323. Mechtild (daughter of Ludwig IV Von Bayern and Beatrix Von Schweidnitz) was born in 1313; died in 1346. [Group Sheet] [Family Chart]