In addition a few sons were sent to American colleges. Theodore Godet Heyliger (1790-1845) from a lithograph of Miss Maude Pandt â The founder of the Heyliger family in the West Indies was Guilliam Heyliger (died circa 1734) who evidently was on St. Eustatius by about 1670 when he married Anna Ryckwaert.n addition a few sons were sent to American colleges. Theodore Godet Heyliger (1790-1845) from a lithograph of Miss Maude Pandt â The founder of the Heyliger family in the West Indies was Guilliam Heyliger (died circa 1734) who evidently was on St. Eustatius by about 1670 when he married Anna Ryckwaert.
Giraffes reach sexual maturity at 3-4 years of age, although, in the wild, males may not breed until ages 6 or 7, due to a system of hierarchy among bulls. Breeding can occur at any time of the year. Gestation is usually 13-15 months.
Offspring. As in cattle, female giraffes are called cows, while the males are called bulls. After mating, the cow will have a gestation period of around 14 months. During birth, the calf will drop to the ground, since mother giraffes give birth standing up.