She died 2017. Her husband, full name John William James DUGMORE, died 1980. These deaths are already known to Debrett's Online.
She was the dau of Arthur Claude VYVYAN-ROBINSON (1880 - 1960), scion of the VYVYAN baronets (descended from the 2nd son of the 3rd bt), and Patricia MacDONNELL (died 1982).
She m 1954 John William James DUGMORE and with him had issue: 3 sons.