Career
Because of a medical uncertainty at birth, Jeltsema was registered as a girl in the municipality"s population registry. This was administratively corrected in 1906. In 1892–1896 Jeltsema followed a course at the Minerva Academy in Groningen.
He then followed an initial training for drawing teacher, but opted for training as a sculptor at the Rijksakademie van beeldende kunsten in Amsterdam (1899–1902).