Judge of Arborea. “Nostru iudice Costantine [...de Laccon in regno qui dicitur Ardar] et dessa muliere domna Marcusa regina dicta nomine de Gunale” consented to the donation of property to Monte Cassino made by “Furatu de Gitil et muliere mea Susanna” by charter dated 25 Apr 1113. “Constantinus...rex...de Laccon...cum uxore mea Marcusa regina...de Gunale” donated the church of S. Pietro di Iscanu to S. Salvatore di Camaldoli by charter dated 30 Apr 1113, witnessed by “donnicellu Comita de Laccon, donicellu Ithocor de Laccon, donnicellu Gunnari de Laccon, donnicellu Petru de Serra totos minor fratres”. His parentage is confirmed by the charter dated 24 Jun 1147 under which "Gonnarius…Turritanorum Rex et Dominus" confirmed rights of Cassino monastery, in memory of "atavus meus Baraso Rex et Marianus avus noster, Constantinus…genitor noster, et Marchusa Regina uxor eius…". 1
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