I had five daughters!
If your favourite science subject is/was Biology, you have a girl.
If your favourite Lord of the Rings character is another race, you have a boy.
If you don't know which Hogwarts house you are, you have a girl.
Fleur Aurora Scout
If you're a Water sign (Scorpio, Cancer, Pisces), you have a girl.
If you like none/all of the above genres, you have boy/girl twins.
Arthur Matthew & Kate Ida Claire
Cilla, Jasper, Fleur, Roma, Arthur & Kate.