Christopher L. Martin 
Is That You, Grandpa? [EPUB ebook] 

"The scion of a wealthy Hamburg family, financing of diamond and gold mines in South Africa, and a decision of the British Parliament that moves the action through the end of 19th Century America, and Guyana, South America. The author’s meticulous research describes an intriguing and heartwarming journey of discovery into his ancestry."–Professor Leyland (Rae) Hazlewood , author of The Ultimate Guide to Doing Business in Africa.