"Windows Into Our Past The Longhunters, Volume 3", compiled by Judy Parsons Smith © 2001.
Gerald Prendegast , b. ca. 1200, Douglas, Cork, Ireland; m. Maud Walter , b. 1199, Douglas, Cork, Ireland. Gerald & Maud (Walter) Prendegast had:
Mary Prendergast , daughter of Gerald & Maud (Walter) Prendegast , b. ca. 1233, Pembroke, Pembrokeshire, Wales; m. ca. 1242, John De Cogan , son of Richard & Basilie (Ridelestford) Cogan , b. ca. 1220, Bampton, Devonshire, England; d. 1278. John & Mary (Prendergast) De Cogan had:
John De Cogan , son of John & Mary (Prendergast) De Cogan , b. 8 Sep 1243, Brampton & Uffculme, Devonshire, England; chr. Cogan; d. bef. 26 Apr 1302, Ardagh, Limerick, Ireland.
For further information see Cogan