Ada of Holland
This Ada of Holland was daughter of Floris III, count of Holland and Ada of Huntingdon. She married Otto I, margrave of Brandenburg, in 1176 (his second marriage); they had one son, Albert II, who succeeded his half-brother Otto II in 1205. Born c.1163(?), died 1205. She had a niece, Ada of Holland, daughter of her brother Dirk VII.