The Houses of Lancaster and York are cadet branches of the House of Plantagenet .
It is from the time of Henry III , after the loss of most of the family 's continental possessions , that the Plantagenet kings became more English in nature .
The Houses of Lancaster and York are cadet branches of the Plantagenet     .
It is from the time of Henry III , after the loss of most of the family 's continental possessions , that the Plantagenet kings became more English in nature .