You don't, but you're stuck with them.
Brothers and Sisters - 2006 You Get What You Need 3-5 is rated/received certificates of: Netherlands:6
You don't need sisters and brothers, although many people find it good to have them. If your parents have more than one child you will have at least one sister or brother.
he had 7 brothers and 4 sisters dont ask me to name them but ill tell you this, his parents need to get a hobby
He had 11 brothers and sisters.
because they get bored and they feel they need attention
There are 4 brothers and 3 sister's all up. Assume your one of the brothers - hence you have 3 brothers and 3 sisters. However any one of your sisters, would have 4 brothers and 2 sisters.
Athena had no brothers or sisters.
he had no brothers or sisters
no she has no brothers or sisters.
brothers and sisters
She had 12 brothers and sisters
he had 2 brothers and 3 sisters