NZCOKERS on Family Tree Circles

Hi,

I am researching my Family Tree,
Iwould be greatful or any details on the Two Relatives I know names only o,
Alfred Coker, DOB:1848, Hambleden, Buckinghamshire, england, sailed to christchchurch New Zealand, 1869, Married ellen Muir.

Thomas coker, DOB:1805, Hambleden, Buckinghamshire, england, Married Aletia White.