Sir Christus was born on April 10, 1978.
There was probably no real person called "Sir Lanceolot" and, if there was, we do no know when his birthday was.
Sir Walter Raliegh's birthday is September 5, 1552 or 1554
May 26th
27 August
Sir Bertram Stevens was born on January 2, 1889.
Sir Lawrence Wackett was born on January 2, 1896.
Sir William Deane was born on January 4, 1931.
Sir Richard Arkwright was born on January 3, 1733.
Sir Matthew Nathan was born on January 3, 1862.
Sir Francis Galton was born on February 16, 1822.
Sir Ronald Fisher was born on February 17, 1890.
Sir John Mills was born on February 22, 1908.