Surname meaning Son of Martin or More Than One Martin. Surname first recorded in Rivara, Piedmont Region, Italy in 1306 (Obertus Martinaglia de Riparia) First arrival of a Martinaglia family member in South Africa was Guglielmo Martinaglia, born 6.9.1857 in Issiglio, near Ivrea, Canavese District, of the Piedmont Region, Northern Italy. In 1896 he discovered the Sterkfontein Caves (see Google. In 1899 he participated with the Italian Legion under Camillo Ricchiardi in the Anglo-Boer War (1899-1902) Died in Krugersdorp, South Africa on the 6.1.1929. (72 years old).