Deletion of Mary Somerset, Duchess of Beaufort

Comment: per those above, obituary in ''The Times'' and other sources (some I have added and am searching for me) which establish . Note for other searching: "Mary Somerset" will not have much about this individual as British duchesses are seldom if ever, referred to merely by the family name. As shown by searching the BNA, media mentions of "Princess Mary of Teck" "Lady Mary Cambridge" and "The Duchess of Beaufort" from the times she held those titles will show more
Stance: keep
Cited policy: Wikipedia:Notability (WP:SIGCOV)