He manufactured buttons in Handsworth up to the year 1891, when he retired and moved to St Margarets in the Twickenham area with his youngest children.

Caroline Watts studied at the Slade School of Fine Art in London.

In the 1901 census, the sisters stated Mary's occupation was compiler of indexes, while Caroline worked as a painter.

Some depict the King Arthur legend, while others were drawn for various historical novels written by Jessie Weston and published by Alfred Nutt.

It was also borrowed by the Women's suffrage in the United States movement and recoloured in purple, white and green.