Sir Thomas Forster VI of Adderstone. B.1488. D.1580 in England. This Thomas married Isobel, daughter of John Brewster of Lucker, and they had eight legitimate children. However he also sired several other illegitimate offspring one of whom, Matthew, subsequently became his successor. However, this in no way impeded his civic advancement, as he was knighted and appointed Sheriff of Northumberland by Queen Elizabeth I.