Sir Gerbier Balthazar was a Dutch architect , miniature painter, courtier and diplomat active, particularly in England, in the early- to mid-16th century.
He was born at Middelburg in Zeeland on 23 February 1591/2 and died, supposedly at Hampstead Marshall in Berkshire, England, some time before August 1663.
Balthazar is noted for his importing into England a florid, Netherlandish baroque style.
Colvin, Howard, A Biographical Dictionary of British Architects 1600-1840, 3rd edition (New Haven and London: Yale University Press, 1995), pp. 396-398.