Bασίλης was the son of Aντώνιος Kωνσταντινόπουλος but his mother is unknown. The date and place of his birth have not been found.
His wife was Mαρία Γ. Mπονάνου, who he married on 19 SEP 1999. The place has not been found. Their four known children were Eλισάβετ (1999-?), Kατερίνα (2001-?), Στυλιανή (2005-?) and Γεωργία (2010-?).