The next two songs , " Lullaby " and " Lullaby for a Doll " , were written by Wainwright III and Kate McGarrigle ( mother of Martha Wainwright ) , respectively .
Head entity: martha wainwright Q236613 27 28
Tail entity: kate mcgarrigle Q235084 22 23
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P25