Thomas Corbet

Peter son of Thomas had a firstborn son named Thomas who espoused Joan daughter of Alan Plukenet and died without heir of himself. Source: IPMs for Peter Corbet 1300

from http://fmg.ac/Projects/MedLands/ENGLISHNOBILITYMEDIEVAL3.htm#_Toc38...

Piers [I] & his first wife had two children

i) THOMAS [II] Corbet (-before 11 Nov 1295) Inquisitions following a writ dated "10 Aug 28 Edw I", after the death of "Peter Corbet of Caus", name Peter his son, aged 30 and more (is his next heir) name Peter his son and heir and Beatrice his wife and also record that the deceased had a firstborn son named Thomas, who by his fathers will espoused Joan daughter of Alan Plukenet and died without heir himself and gave dower to her at the feast of St. Martin 23 Edw I after her husband died[2823 m JOAN Plugenet, daughter of ALAN Plugenet & his wife --- Inquisitions following a writ dated "10 Aug 28 Edw I", after the death of "Peter Corbet of Caus", name Peter his son, aged 30 and more (is his next heir) name Peter his son and heir and Beatrice his wife and also record that the deceased had a firstborn son named Thomas, who by his father will espoused Joan daughter of Alan Plukenet and died without heir himself and gave dower to her at the feast of St. Martin 23 Edw I after her husband died[2824]