He was a signatory of the Baron's Letter to Pope Boniface VIII in 1301.
[2] Montalt married Emma, widow of Richard FitzJohn (died 1297) (son of John Fitz Geoffrey, Justice of Ireland).
His summons as Baron Montalt was not a continuation of the 1297 barony, but a new creation.
He settled his lands on Queen Isabella (mother of King Edward III and thereafter to John of Eltham, brother of Edward III.
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