"The Cruel Mother", also known as "The Greenwood Side", "Greenwood Sidey", "Fine Flowers in the Valley", "Three Little Babies", "The Lady of York", "Greenwood Siding" or "The Minister of New York's Daughter" is a murder ballad originating in England that has since become popular throughout the wider English-speaking world. It is in the Child collection as #20 and in the Roud Index as #9. According to Child, two fragments of this ballad appear in the last quarter of the 18th century. It was collected by Cecil Sharp from Mrs Eliza Woodberry of Ash Priors in Somerset. Sharp included it in his Folk Songs from Somerset, Series 4, and Sharp’s assistant Maud Karpeles printed it in her 2-volume collection, The Crystal Spring.
It was printed in Folk Songs of Peggy Seeger, Sharp's English Folk Songs from the Southern Appalachians (1915) and John Jacob Niles's The Ballad Book.
It was recorded by Judy Collins, Ewan MacColl and Peggy Seeger, Hedy West, Joan Baez, Martin Carthy, Steeleye Span, Ian & Sylvia, Rayna Gellert and others.