Helwise de Lancaster
- Born: Abt 1200, Kendal, Westmorland, England
- Marriage: Piers de Brus of Skelton 726,894
~Fenwick Allied Ancestry, pg. 122, Pedigree 87, sister and co-heir of William of Lancaster, Baron of Kendal, pg. 124, Pedigree 89 726
~Weis' Ancestral Roots of Certain American Colonists Who Came to America before 1700, 8th Edition, 88:28 - m. Piers de Burs, Crusader, Lord of Skelton, son of Piers de Brus and Joan le Grammaire, parents of Lucy de Brus 136:26 - parents of Agnes de Brus.
Helwise married Piers de Brus of Skelton, son of Piers de Brus of Skelton and Joan le Grammarie 726.,894 (Piers de Brus of Skelton died Before 6 Henry III in Skelton, England 726.)