His parentage is confirmed by the charter dated 24 Jun 1147 under which his son “Gonnarius...Turritanorum rex et dominus” donated property to Monte Cassino before leaving for Jerusalem, in memory of “atavus meus Baraso rex, Marianus avus noster, Constantinus...genitor noster et Marchusa regina uxor eius...”.
Judge of Torres. “Donnicellu Gunnari de Laccon et muliere mea Elene de Thori et filias meas Vera de Laccon et Susanna de Thori” donated property to Monte Cassino, with the consent of “nostru judice Gostantine de Laccon et...muliere donna Maria de Arrubu”, by charter dated 24 May 1120. 1