++++ 1.Social security for migrant workers - Family benefits - Concept - Assistance paid to families with children aged over 16 but under 21 who are unemployed - Included ( Regulation No 1408/71 of the Council, Art . 1(u)(i ) ) 2.Social security for migrant workers - Family benefits - Worker subject to the legislation of a Member State - Members of the family residing in another Member State - Entitlement to benefits provided for by the legislation applicable to the worker - Condition of entitlement to benefits equivalent to a clause requiring children to reside in the Member State providing the benefits - Inapplicable to a worker whose children fulfil an equivalent condition in the Member State in which they reside ( Regulation No 1408/71 of the Council, Art . 73 )