At Swansea, Glamorgan, John married Aline, age 8.
7/23/1305, Commission of oyer, … touching the persons who entered the chaces of Kirkeby Malesard and Niddresdale, co. York, … of the inheritance of John de Moubray son and heir of Roger de Moubray, a minor in the king’s custody, … (S) CPRs.
2/23/1306, Grant to John de Moubray of the custody, during the minority of the hier, of the lands in England late of John Comyn of Badenagh … (S) CPRs.
5/22/1306, Sir John, 1 of 267 knighted by King Edward I in London at Westminster abbey.
1307, Livery of lands granted to John de Mowbray. (S) Journal of the House of Lords, V108, P195.
8/26/1307-5/15/21, John summoned to parliament.
Bef. 7/20/1331, Aline died.