. "1137Z"^^ . "Matthew, Count of Boulogne"@en . . "Matthew, Count of Boulogne, also known as Matthew of Alsace (c.\u2009 1137\u20131173) was the second son of Thierry, Count of Flanders and Sibylla of Anjou. Matthew forcibly abducted the nun Marie de Boulogne, daughter of Stephen, King of England, and constrained her into marriage, claiming the title of Count of Boulogne jure uxoris in 1160."@en . . . "1173Z"^^ . . . "Countjure uxorisof Boulonge (1160-1173)" . "Matthew of Alsace"@en .