Ida Gertrude was born in 1105 in Hainaut, Flanders. She died at the age of 89 in 1194.
General Notes
Lineage Sources: Americana (Am. Hist. Soc. Pub.), Vol. 35, pp. 234-239. Enc. Brittanica, 11th ed., Vol. 12, p. 822. Allstrom's Dictionary of Royal Houses and Nobility of Europe. Betham's Charts of Royal Houses of Europe.