Ada married Floris III of Holland, Count of Holland on 28 Sep 1162. Floris (son of Dirk VI of Holland, Count of Holland and Sophia of Rheineck) was born in 1141; died on 1 Aug 1190. [Group Sheet] [Family Chart]
Family/Spouse: Adelaide of Guelders. Adelaide (daughter of Otto I, Count of Guelders and Richardis of Bavaria) was born in c .?1182; died in 1218; was buried in Rijnsburg Abbey. [Group Sheet] [Family Chart]
Family/Spouse: Mary of Brabant. Mary (daughter of Henry I The Courageous, Duke of Brabant and Matilda of Boulogne, Duchess of Brabant) was born about 1191; died after 9 Mar 1260. [Group Sheet] [Family Chart]
Ada married Otto I, Margrave of Brandenburg in 1176. Otto (son of Albrecht the Bear von Ballenstädt, Duke of Saxony and Sophie of Winzenburg, Margravine of Brandenburg) was born about 1128; died on 8 Jul 1184. [Group Sheet] [Family Chart]
Floris married Matilda of Brabant, , Countess of Holland on 6 Dec 1224. Matilda (daughter of Henry I The Courageous, Duke of Brabant and Matilda of Boulogne, Duchess of Brabant) was born about 1200; died on 21 Dec 1267. [Group Sheet] [Family Chart]
Family/Spouse: Mathilde of Lower Lusatia. Mathilde (daughter of Conrad, Margraviate of Lusatia and Elisabeth of Greater Poland, Duchess of Bohemia) was born about 1184; died in 1255. [Group Sheet] [Family Chart]
Family/Spouse: Elizabeth of Brunswick-Lüneburg. Elizabeth (daughter of Otto I, Duke Brunswick-Lüneburgh and Matilda von Brandenburgh) died on 27 May 1266; was buried in Middelburg abbey church. [Group Sheet] [Family Chart]
Adelaide married John of Avesnes, Count of Hainaut on 9 Oct 1246. John (son of Burchard of Avesnes d'Avesnes and Margaret II of Constantinople, Countess of Flanders) died on 24 Dec 1257. [Group Sheet] [Family Chart]
Family/Spouse: Herman I von Henneberg, Count of Henneberg. Herman (son of Poppo VII von Henneberg, Count of Henneberg and Jutta of Thuringia) was born in 1224; died on 18 Dec 1290. [Group Sheet] [Family Chart]
Matilda married Otto I, Duke Brunswick-Lüneburgh in 1228. Otto (son of William of Winchester, Lord of Lüneburg and Helen of Denmark Valdemarsdottir, Duchess of Luneburg) was born about 1204; died on 9 Jun 1252; was buried in Brunswick Cathedral, Brunswick, Niedersachsen, Germany. [Group Sheet] [Family Chart]
Family/Spouse: Beatrice ( Beatrix ) of Bohemia. Beatrice (daughter of Wenceslas I One-Eyed of Bohemia, King of Bohemia and Kunegund of Hohenstaufen) was born in 1225; died in 1290. [Group Sheet] [Family Chart]
John married Sophia Valdemarsdottir in 1231. Sophia (daughter of Valdemar II the victorious Valdemarsson, King of Denmark and Berengaria of Portugal) was born in 1217; died on 3 Nov 1248. [Group Sheet] [Family Chart]
John married Hedwig von Pommern about 1250. Hedwig (daughter of Barnim I von Pommern, Duke of Pommerania) and died. [Group Sheet] [Family Chart]
John married Jutta of Saxony on 7 May 1255. Jutta (daughter of Albert I, Duke of Saxony and Agnes von Thüringen) died before 2 Feb 1267. [Group Sheet] [Family Chart]