Their mother was baby-sitting for the other two children, who were from separate families.
He informed them that a separate family lived on each floor.
Two separate families began using the name Sabatier to market their knives.
The married sons start living with their wives in separate family.
Several have been placed in a separate family - the Dicistroviridae.
However, it is more often placed in a separate family, the Tichodromadidae.
"The house had two separate families, and we would listen to them speaking Greek through the walls."
They are not particularly close: Dixon (2002) classified them as two separate families.
Here they are considered traditionally as a separate family.
Today, most taxonomists consider them once again to be separate families.