Section 25(1) of the Matrimonial Causes Act 1973 (MCA 1973) provides that the first consideration of the court when deciding whether to exercise its powers under MCA 1973, ss 23, 24, 24A, 24B and 24E and, if so, in what manner, is the welfare while a minor of any ‘child of the family’ who has not attained the age of 18. MCA 1973, s 52(1) defines a ‘child of the family’ as a child of both the parties or any other child, not being a child placed with the parties as foster parents, who has been treated by both the parties as a child of their family. In the event a dispute arises as to whether a child was indeed treated as a child of the family, the