The lineage was founded by Constantine Angelos , a minor noble from Philadelphia ( Asia Minor ) , who married Theodora Komnene ( born 1096 ) , a daughter of emperor Alexios I Komnenos .
Head entity: theodora komnene Q765682 20 21
Tail entity: alexios i komnenos Q41600 31 32 33
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P22