Will Cauliflower is the husband of Sarah Cauliflower, father of Marah Greenhill and maternal grandfather of Viole tGreenhill. His grandson, Will Greenhill and great-granddaughter Willa are named after him.
Will was a physician befor e marrying Violet's grandmother, Sarah Cauliflower. Therefore, he was married into a rich family. When his daughter was born, Will had a dress made out of white silk for her when Mara grew older. He was also best friends with Tom Greenhill II and had Mara marry him, but the two fo them did not know that Mara and Tom III were in love and already met each other, whichc made both of the fathers' lives easier. . He also made sure Mara learned about healing. He also personally tought his grandchildren before his death.