Sir Richard Seymour was the eldest son of Sir Richard Seymour and his wife, Ela St. Lo. He died without heirs male. His heir and that of his mother, was Alice Seymour, aged 30 weeks at the time of her grandmother's i.p.m. 13 Feb. 1410. 
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On 25 Jul 2017 at 01:11 GMT Monica Edmunds wrote: