Constance was the daughter of William I. She married Alan of Brittany but the couple had no children. She died in 1090 and was rumoured to have been poisoned.
Family tree for Constance, daughter of William I showing:
parents 
siblings 
partner 
Published Dec 29, 2017 @ 0:12 am – Updated –
Harvard Reference for this page:
Heather Y Wheeler. (2017 – 2020). Constance of Normandy c1057 – 1090. Available: https://www.treesofblue.com/constance-of-normandy-c1057-1090. Last accessed May 23rd, 2023
