If Transformers are brothers or sisters, it means they were created or built at the same time, they do not have parents as they are built, either buy the allspark or by another Transformer. Sometimes if a Transformer is built by another Transformer, they may call their creator their mother or father.
He had 11 brothers and sisters.
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.
No
Athena had no brothers or sisters.
he had no brothers or sisters
brothers and sisters
no she has no brothers or sisters.
Black beard had no sisters or brothers
2 brothers and sisters
She had 12 brothers and sisters
yes, 7 brothers and sisters
he had 2 brothers and 3 sisters