Reuben Shaw

 was the husband of Dame Emily Shaw and the mother of Liz Shaw and Lucy Shaw.

Reuben, like Emily, referred to Liz as "Elizabeth" when he was feeling tetchy. (PROSE: The Scales of Injustice)

By the 1970s, he had at least two grandchildren. (AUDIO: The Last Post)

He was born in 1919 and died in 1995. (HOMEVID: Ghosts of Winterborne)