South African Priday's

Hello, I am Craig Edward Ross Priday born 1975, I have one brother Brad Kenneth Priday. My Father is Edward (Ted) Alexander Melville Priday born 1952 +-. His father, my grandfather is Edward Priday born in +- 1920 ( I am not sure where he was born, but spent most of his life in South Africa!) He did however serve in the UK Royal Navy for the duration of the 2nd World War.
Edward Priday had two other brothers, Bob Priday and Mick Priday, Mick was the eldest and of the three. Either Mick or Bob Priday played for Liverpool Football club, if that helps any body to place us.!
If any one has any information on if and how we are all related please help me out as I am extremely curious! thanks in advance!

Craig