With him for a sire and her for a dam,
What should I be but just what I am?

Edna St. Vincent Millay (1892-1950) American poet

Poem (1920-11), “The Singing-Woman from the Wood’s Edge,” Vanity Fair, Vol. 14, No. 3
    (Source)

Collected in A Few Figs from Thistles (1921).

"Singing-Woman" is usually hyphenated in collections, but in Vanity Fair it was rendered "Singin' Woman" and in the original publication in Figs as "Singingwoman".