Famous and well known means the same thing.
"Infamous" means the opposite of "famous" because it refers to being well-known for something negative or bad, while "famous" refers to being well-known for something positive or good.
well known
known, familiar
they were well known because they were famous kings and were well known to their country, Egypt.
well known0
famous
famous
well known
Ashley Stewart is famous for the well known brand of clothing under the same name. This clothing line caters for sizes from 12 to 26 and is known as a plus size clothing line.
There are various Michael Greens who are well known. The most famous appears to be an architect, and there is a well known attorney by that name as well.
Famous Canadians are people who are Canadian and are well known.