Vyner served as aide-de-camp to his father 1897–1898, district officer of Simanggang 1898–1901, Resident of Mukah and Oya, 1902–1903, Resident of the Third Division 1903–1904, President of the Law Courts 1904–1911, Vice-President of the Supreme and General Councils 1904–1911.
Ningkan was born on 20 August 1920 in Betong, Sarawak which was then administered under the Second Division of Simanggang.