"Olive" de Tancarville, lady of Coleby

-https://fmg.ac/Projects/MedLands/normacre.htm#OliveTancarvilleMWill...

1. OLIVE de Tancarville . The Testa de Nevill records that "Coleby" in Lincolnshire previously belonged "de honore Britannie" and was granted "in maritagio cum Thephania filia comitis Stephani" and later "in maritagio cum Oliva sorore Willelmi camerarii de Tancarville"[1280]. The name of Olive’s husband is not specified. Domesday Descendants names "Oliva de Tancarville, daughter of Rabel and Theophania de Richmond" as the wife of William [II] Malet[1281]. However, the chronology for this marriage is not ideal. The birth of Olive’s maternal grandfather is estimated to [1058/62]. His daughter was therefore probably born in [1080/1100], and Olive in [1095/1115]. On the other hand, William [II] Malet is first named in a charter dated Sep 1101 when he was presumably already adult, and no mention of him has been found after [1117/21]. Stapleton suggests that Olive may have been the mother of Guillaume [III] Malet de Graville (see below) which appears to provide a better chronological fit[1282].

[m WILLIAM [II] Malet, son of [ROBERT [I] Mallet & his wife Matilda ---] (-after [1117/21] )
or m MATHIEU Malet de Graville, son of --- (-after 1172).]