Gerhard married Aleidis Van Guelders, [COUNTESS OF LOO in 1175. Aleidis (daughter of Hendrik Ii Count Guelders Zutphen and Agnes Von Arnstein) was born in 1152 in Of, Zutphen, Gelderland, Netherlands; died on 4 Feb 1218 in Of, Rieneck, Unterfranken, BAVARIA. [Group Sheet] [Family Chart]