Some acquired kids and oxen, paid anything to be involved (13)

I believe the answer is:

stepdaughters

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'some acquired kids' is the definition.
'stepdaughters' can be an answer for 'kids' (stepdaughter is a kind of kid). I am not certain of the 'some acquired' bit.

'oxen paid anything to be involved' is the wordplay.
'oxen' becomes 'steers' (I have seen 'Castrated oxen ' mean 'steers' so perhaps 'oxen' could also mean 'steers').
'paid' becomes 'pd' (I've seen this in other clues).
'anything' becomes 'aught' (I've seen this before).
'to be involved' means one lot of letters goes inside another.
'pd'+'aught'='pdaught'
'steers' placed around 'pdaught' is 'STEPDAUGHTERS'.

'and' is the link.

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I've seen this clue in The Telegraph.

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