William Clarke's middle name was Branwhite.
father clark
William Lyon Mackenzie King does not have any descendants because he did not have any children. He was the grandson of William Lyon Mackenzie, who does have descendants.
Map-making
Meriwether Lewis and William Clark
William Clark was a Caucasian male with light brown or sandy blonde hair.
Some are being sold on ebay still - but this line is now discontinued by Clarks unfotunately
William Clark and Merrlwethir Lewis
No.
If you are talking about the Lewis and Clark expedition with the Corps of Discovery, William Clark was one of the two co-leaders.
Meriwether Lewis and William Clark
The full name of the explorer is Meriwether Lewis and his companion is William Clark.