This included documenting the events of her marriage to Jay - Z , her miscarriage , birth of daughter Blue Ivy , as well as her professional split from her father and manager Mathew Knowles .
Head entity: blue ivy Q18913048 19 20
Tail entity: jay-z Q62766 9 10 11
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40