1185: by the Treaty of Boves, gains Amiens and Montdidier, Roye, Choisy-au-Bac, and Thourotte and rights to the inheritance of Vermandois and Valois.
1185: polo tratado de Boves, gaña Amiens e Montdidier, Roye, Choisy-au-Bac e Thourotte e dereitos á herdanza de Vermandois e Valois.