Lothar married Richenza Von Northeim in 1100. Richenza (daughter of Count Heinrich "Den Fette" Von Northeim and Gertrud Von Braunschweig) died in 1141. [Group Sheet] [Family Chart]
Gertrud married Duke Heinrich X Welfen Von Bayern Und Sachsen on 29 May 1127. Heinrich (son of Duke Henry I Of Bavaria and Wulfhilde Of Saxony) was born in 1100; died on 20 Oct 1139. [Group Sheet] [Family Chart]
Heinrich married N. N. Von Blieskastel on 1 Feb 1168. [Group Sheet] [Family Chart]
Heinrich married Mathilde Of England on 1 Feb 1168. Mathilde (daughter of King Henry II Curtmantle Plantagenet and Queen Eleanor Of Aquitaine) was born in 1156; died on 28 Jun 1189. [Group Sheet] [Family Chart]
Mechtild married King Heinrich Burwin I Von Mecklenburg in 1166. Heinrich (son of Duke Pribislaw II Von Mecklenburg and Weislawa Von Pommern) died on 28 Jan 1227. [Group Sheet] [Family Chart]
Heinrich married Agnes Von Staufen in 1194. Agnes (daughter of Konrad Von Staufen and Irmgard Von Henneberg) died on 9 May 1204. [Group Sheet] [Family Chart]
Wilhelm married Helena Of Denmark in 1202. Helena died on 22 Nov 1233. [Group Sheet] [Family Chart]