Julius Henricus Quinkhard was a Dutch Old Masters artist who was born in Amsterdam, Netherlands in 1734. He was the son of the artist Jan Maurits Quinkhard. Julius Henricus Quinkhard's work has been offered at auction multiple times. Among the artist's sold works is 'A gentleman in a green coat smoking and playing a musical instrument', which was sold at auction in 2012. Julius Henricus Quinkhard is known for his portraits and genre paintings. He died in Amsterdam, Netherlands in 1776.