Marianne Stokes was Austrian-born, and married to the English painter Adrian Stokes, whom she had met at the artist's colony of Pont-Aven in Brittany. They lived at Newlyn in Cornwall, but having no children traveled widely. This little Dutch girl was probably painted in about 1901.
(http://www.maasgallery.co.uk/component/joomgallery/british-pictures-2013/32-marianne-stokes-1855-1927-839)