How do you raise multilingual children with a minority language?

How do you raise multilingual children? And what happens when your first language isn't very common where you live? Language is one of the things that helps you stay connected to your heritage but raising a child to speak two or more languages can be harder than it sounds. Andrea Catherwood is joined by two Nigerian mums: one who speaks Igala and the other Yoruba, as they explain the challenges and rewards involved.