Analysis of information sources in references of the Wikipedia article "Frans Hals" in English language version.
Quite in another form, and with much of the freedom of the elder Hals, Dirk Hals, his brother (born at Haarlem, died 1656), is a painter of festivals and ball-rooms...
Of the master's numerous family none has left a name except Frans Hals the Younger, born about 1622, who died in 1669. His pictures represent cottages and poultry...