" ...it is the smallest house in the Lane. And besides that, it is the only one that is rather dilapidated and needs a coat of paint. But Mr. Banks, who owns it, said to Mrs. Banks that she could have either a nice, clean, comfortable house or four children. But not both, for he couldn't afford it. And after Mrs. Banks had given the matter some consideration she came to the conclusion that she would rather have Jane...and Michael...and John and Barbara, who were Twins and came last. So it was settled... "

― P.L. Travers , Mary Poppins (Mary Poppins, #1)