Garriock family tree

Hi everyone

I am looking for family information on William Sievwright Garriock..... he married Agnes Isabella Preston (born Martin) in 1913

they had a daughter called Marghurieta Isabella Garriock born January 1915

PLEASE DOES ANYBODY HAVE ANY INFORMATION ON THESE TWO PEOPLE I WOULD TRUELY APPRECIATE IT xxxxx

thanks in advance

Kim Moolman (nee Slaney)