Looking for Moller Families Around the World

Hi, I am Randall Christopher Moller from Namibia,the western southern tip of Africa. I live in Windhoek,Namibia.My fathers name was Christiaan Deatlift Moller and my grand fathers name was Dirk Johannes Moller.Both are deceased.I would like to find my family tree from europe to Souyh Africa to Namibia.Hope to hear soon from you.Thank you.