Hélène married Wilhelm Welf 1202. Wilhelm (son of Heinrich Welf and Mecktilde Plantagenêt) was born 1184; died 1213. [Group Sheet]
Otto married Mecktilde de Brandebourg 1228. Mecktilde died 10 Jun 1261. [Group Sheet]
Albrecht married Élisabeth de Brabant Abt 1260. Élisabeth (daughter of Henri II de Brabant and Sophie de Thuringe) was born 1243; died 9 Oct 1261. [Group Sheet]
Albrecht married Alessina de Montferrat 1263. Alessina (daughter of Boniface de Montferrat and Marguerite de Savoie) was born Abt 1240; died 1285. [Group Sheet]
Adelheid married Henry von Hessen 10 Sep 1263. Henry (son of Henri II de Brabant and Sophie de Thuringe) was born 24 Jun 1244; died 8 Apr 1308, Marburg (Hesse), Deutschland. [Group Sheet]
Mecktilde married Heinrich von Schlesien-Glogau 1290. Heinrich (son of Konrad von Schlesien and Salomé Piast) was born Abt 1257; died 9 Dec 1309. [Group Sheet]
Heinrich married Agnes Wettin 1282. Agnes (daughter of Albrecht Wettin and Margareta von Hohenstaufen) was born Aft 1255; died Aft 1332. [Group Sheet]
Adélaïde married Berthold von Henneberg 1286. Berthold was born Abt 1272; died 3 Apr 1340, Schmalkalden, Deutschland. [Group Sheet]