Three generations of the Anglo-Poitou family of Vivonne, from 13th century “Poitevin mercenary captain” to 14th century “recalcitrant lady”

I have, from old pedigree in Bedford Record Office about 20 years ago
 Walter de Wahul d1269
= 1 Argentinia de Welton [Weton/Welton family
from Roger de Bucy? also married into de Nowers
family see Uvadale] issue John de Wahul,
Beatrice de Wahul = Henry Fitznorgold
=2 Heloise de Vyvonne no issue shown