Nowadays there are all kinds of potential parentals besides parents, grandparents, aunts and uncles, step-parents, in-laws, older siblings and cousins, and those in civil unions.

1658: If any shall doubt why at the Amphidromicall Feasts, on the fifth day after the Childe was born presents were sent from friends, of Polipusses, and Cuttle-fishes? — Sir Thomas Browne, The Garden of Cyrus (Folio Society 2007, p. 213)

[T]he law was made to oppress the colored race, so I snapped my finger at the law, an' resolved to come up with it every time I got a chance. I would be a higher law unto myself; for if a white man, when he was wronged, was justified in rightin' himself, even to the takin' of life, I, bein' no whit inferior to my white compeer, would take the law into my own hands as he had into hisn.

Not so the sculpture in the round: it stands in ordinary space with the other bodies, a body like them. We must hold fast to this outcome; it will allow us to explain the true essence of sculpture, the designation we confer on sculpture in the round alone. Painting and relief create their own space.