Matthias married Catherine Of LIMBURG in 1225. Catherine (daughter of Walram IV Duke Of LIMBOURG and Ermesinde Of NAMUR) died in 1255. [Group Sheet] [Family Chart]
Frederick married Agnes Of BAR. [Group Sheet] [Family Chart]
Frederick married LUDMILLA. (daughter of Mieszko III The Old Of POLAND and Elisabeth Of HUNGARY) was born before 1153; died in 1223. [Group Sheet] [Family Chart]