When Lambertus van den Huijsen was born about 1890, in Arnhem, Gelderland, Netherlands, his father, Johannes Theodorus van den Huijsen, was 40 and his mother, Maria Elisabeth Nichting, was 38. He married Hendrika Wilhelmina van de Graaf on 7 May 1915, in Arnhem, Gelderland, Netherlands. He died on 17 September 1944, in Renkum, Gelderland, Netherlands, at the age of 55.
Some characteristic forenames: Vietnamese Anh, Thanh, Hung, Minh, Vinh, Dung, Hue, Huong, Lan, Quang, Tan, Thuy, Hong, Chi, Hang, Ho, Pok, Sang, Bai, Chin, Ching, Chu, Chuan, Dong.
Vietnamese (Vạn): from the Chinese surname 萬, see Wan 1.
Vietnamese (Văn): from the Chinese surnames 文 or 聞, see Wen 2 and 3, and also 5 below.