TRACKING FOR INFORMATION ON COUAMIN OR COIMIN BACKGROUND

I was born in Haiti, leave now in Canada.
I want to make a research on my family background in Haiti and everywhere. My last name is COUAMIN but i have some family write they name like this, COIMIN. There have other possibility like

KOUAMIN
KUAMIN
KOIMIN
KWAMIN
CUAMIN
CWAMIN...
If you have any information on my family background, please let me know.
thx
kcmin@hotmail.com