Looking for my dad?

i have never met my dad and every lead has ended up just being nothing i first started when i was 11 yrs i am now 21 and have run out of ideas so i though i may as well give this one a shot if anyone out there knows a William Baxendale from Derby England he has two children all grown up i dont know their names he was in the royal navy from leaving school as far as i know right up to 86 my mothers name is Yvonne Lynch please let us know :) xxxx