When Charles Marius Dam was born on 7 September 1880, in Rutsker, Bornholm, Denmark, his father, Esper Hansen Dam, was 50 and his mother, Charlotte Sofie Kattrup, was 37. He married Annie Kjøller in 1900. They were the parents of at least 2 sons and 1 daughter. He lived in Nyker, Vester, Bornholm, Denmark in 1901 and Olsker, Nørre, Bornholm, Denmark for about 4 years. He was buried in Olsker, Bornholm, Denmark.
Some characteristic forenames: Vietnamese Hung, Hoa, Tuan, Ngoc, Thanh, Binh, Chanh, Duc, Hiep, Minh, Nu, Tien. Southeast Asian Hong, Chan, Dong, Hon, Man, Oi, Ok, Phoung, Sang, Sokhom, Sun.
Vietnamese (Đàm): from the Chinese surnames 譚, 谈 and 覃, see Tan 1-3.
Cambodian: written ដាំ, possibly of Vietnamese origin (see above). The surname ដាំ also corresponds to the Khmer word meaning e.g. ‘to plant’.