William de Montagu of Shipton Montagu (d. 1270)

✓ William de Montagu, 'grandson and h. of William [d. 1217], and s. of Drew and Aline abovenamed'; under age 1217 and in 1232-33 'amerced for not taking knighthood'; had possession of his father's and grandfather's lands 1234; confirmed his grandfather's gift of Shipton church to Bruton 1236; serving with Prince Edward in Wales 1255; sum. for service 1257-64; knighted by 1258; agreements with his uncle Philip Basset and Ela Countess of Warwick 1259 and 1269 about Thurlbear; 'He m. Berthe, whose parentage is not known. He d. 23 Sep. 1270. The custody of his lands was granted to Philip Basset' (CP IX 'Montagu' p.77). Father of Simon, 1st Lord Montagu. Through his mother Aline Basset he was a nephew of Philip Basset the Justiciar and a grandson of Alan Basset of Wycombe - RING 27 Oct 2026 to the Bassets already in this tree. Source: Complete Peerage 2nd ed. vol. IX (1936), 'Montagu' pp.75-82 and notes (article mainly by Ethel Stokes; page images supplied by Aynsley, read 27 Oct 2026). [DIRECT ANCESTOR OF THE COMPILER: flag added 27 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]