Male Constantine Porphyrogenetis Basil I

Constantine Porphyrogenetis' father is Basil I Konstantinos and his mother is Eudoxia Ingerina.  His paternal grandparents are Konstantinos Porphyrogenetis Mamikonian and Pancalo daughter Ashot IV.  He is the oldest of three children.  He has a brother and a sister, named Leo VI and Gregoria Porphyrogenitia.