he is cool
They are brother and sister.
No. Nancy Wilson is one of the founding members of the Rock Band 'Heart'. that's right Nancy Wilson is one of the founding members of the rock band
If you are referring to the family, they are "the Wilsons" (plural). If you are referring to something belonging to the family, you would use an apostrophe that shows ownership, e.g. "the Wilsons'...
no they are not
I've been trying to figure that out for a long time, they do resemble one another.