Lady Cathleen Hudson
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Lady Cathleen Blanche Lily Hudson (née Eliot; 29 July 1921–October 1994), also known as Lady Cathleen Seyfried, was the younger daughter of John Granville Cornwallis Eliot, 6th Earl of St Germans and Lady Blanche Linnie Somerset, daughter of the 9th Duke of Beaufort. She was the mother of the present Baron Herbert.
Her father died from pneumonia on 22 March 1922, whilst recuperating in South Africa following a riding accident, leaving issue two daughters. His earldom and associated titles thus passed to his first cousin. Her mother, the widowed Countess, remarried George Francis Valentine Scott Douglas and had a son James Louis Fitzroy Scott Douglas (1930-1969), later Sir James Scott Douglas, Bt  by her second husband; this half-brother died unmarried.
Lady Cathleen married twice:
- firstly, on 15 November 1946, Captain John Beeton Seyfried, Royal Horse Guards (1923–2008), and had issue, one daughter, and one son. The marriage was dissolved 1956.
- Sarah Diana Seyfried, born 6 April 1949
- David John Seyfried-Herbert, 19th Baron Herbert, born 3 March 1952 (see Barony of Herbert).
- secondly, on 7 January 1957, Sir Havelock Henry Trevor Hudson (1919–1996), and had a further daughter and son
- Louise Deborah Hudson, born 2 December 1958,
- Michael Guy Havelock Hudson, born 14 March 1962
Claim and succession to the Barony Herbert
Her uncle the Henry Somerset, 10th Duke of Beaufort died childless in 1984, and this made her the junior co-heiress, with the co-heiresses of her elder sister as senior co-heiresses, to the baronies Herbert and Botetourt. At her own death in 1994, this junior half-share in both baronies was inherited by her elder son David. The barony Herbert was eventually called out of abeyance in his favour in 2002; that of Botetourt still remains in abeyance.
- GRO Register of Births: DEC 1930 5a 76 MALMESBURY - James L F S Douglas, mmn=Somerset
- Although David Seyfried, as he then was, was the junior heir, he had inherited a half-share of the barony as his mother's elder son. His aunt Lady Rosemary Rubens (February 26, 1919 -April 20, 1963) had been thrice married, and had two daughters by her first and third marriages. The elder daughter Davina (1940-1976) died in a car crash with her son, leaving issue one daughter Frederica Samantha Mary Cope, now Mrs David Arthur Thomas (born 1963). Her younger daughter Alexandra Rubens (b. 1950) is now Mrs Alexandra Peyronel. Both women, co-heiresses to one-fourth each of the barony of Botetourt have issue who will inherit their mothers' shares in that barony. For a fuller explanation of how an abeyant barony can be called out in favour of a junior claimant, see the Wikipedia article.