Fitzstephen French was born in 1801.
Fitzstephen French died in 1873.
William Fitzstephen died in 1191.
Yes, it seems William Fitzstephen saw Becket's Murder. There is an article in Wikipedia on William Fitzstephen. Though it is only about three sentences long, it does give us this much information. There is a link to it below.
Nicholas French was born in 1604.
Pat French was born in 1893.
Houston French was born in 1853.
Beverley French was born in 1970.
French Laurence was born in 1757.
Philip French was born in 1933.
Patrick French was born in 1966.
Renée French was born in 1963.
Jacob French was born in 1754.