Genealogy research by Mark Humphrys,
Sir William Herbert ("Sir William ap Thomas") (see here and here),
mar 2ndly to Gwladys Gam
[dau of Sir David Gam,
in 1432 he purchased Raglan Castle from his stepson (his 1st wife's issue by an earlier marriage),
he greatly expanded Raglan Castle,
he died 1445 or 1446, London,
Gwladys died 1454,
he and Gwladys are bur in Herbert Chapel, St. Mary's Priory Church, Abergavenny, Wales ("the Westminster Abbey of Wales"),
see many photos of Herbert Chapel from different angles,
had issue by 2nd wife:
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Some research "things to do" are not done for years, because I do not have the money to do them.
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