Question: what does Ashley Hicks and Lady Pamela Hicks have in common?

Context articles: Charles H. Saunders
Lady Possessed
Sarah Gordy
Ellaline Terriss
HSC Our Lady Pamela
Ashley Hicks
Ashley's stopper knot
With Kitchener in the Soudan
I Wanna Be Your Lady
Lady Pamela Hicks

Charles Hicks Saunders (November 10, 1821 – December 5, 1901) was a Massachusetts politician who served on the Common Council, Board of Aldermen and as the Mayor of Cambridge, Massachusetts.
Lady Possessed is a 1952 American mystery film directed by Roy Kellino and William Spier starring James Mason, June Havoc and Stephen Dunne.
 Mason and his wife Pamela produced and wrote the film themselves, based on Pamela's novel "Del Palma", (originally published as "A Lady Possessed" in Britain, 1943).
 They chose Pamela's ex-husband Roy Kellino, with whom she remained close, to direct the film.
 It was a critical and commercial failure, losing the Masons much of the money they had invested in it.
Sarah Gordy (born c.1978) is a British actress who has Down syndrome.
 She is best known for her portrayal of Lady Pamela Holland in the 2010 BBC TV series of "Upstairs Downstairs".
 She has also acted in episodes of Call the Midwife, Holby City and Doctors.
 As well as these BBC shows, she has acted in short films, radio dramas, commercials and many theatre productions.
Mary Ellaline Terriss, Lady Hicks (13 April 1871 – 16 June 1971), known professionally as Ellaline Terriss, was a popular English actress and singer, best known for her performances in Edwardian musical comedies.
 She met and married the actor-producer Seymour Hicks in 1893, and the two collaborated on many projects for the stage and screen.
HSC "Our Lady Pamela" was a high-speed catamaran ferry which operated between the Isle of Wight and mainland England.
 She had operated on the Wightlink Ryde Pier to Portsmouth route since 1986 under Sealink along with her now scrapped sister ship HSC "Our Lady Patricia".
 Both ships were named after the daughters of Lord Mountbatten, who had been the Governor of the Isle of Wight.
Ashley Louis David Hicks (born 18 July 1963) is a British author, architect, and interior and furniture designer.
 He is the only son of Lady Pamela Hicks (née Mountbatten) and David Nightingale Hicks.
 Hicks designs architecture and interiors in Europe, the United States, and the United Kingdom.
 He divides his time between designing residential interiors and designing his fabric and furniture lines.
Ashley's stopper knot, also known as the oysterman's stopper, is a knot developed by Clifford W. Ashley around 1910.
 It makes a well-balanced trefoil-faced stopper at the end of the rope, giving greater resistance to pulling through an opening than other common stoppers.
 Essentially, the knot is a common overhand noose, but with the end of the rope passing through the noose eye, which closes upon it.
 It may be multiplied to form a larger knot with more than three bights appearing around the knot.
 It is the result of implementing a double wall knot in one strand.
Gregory Hilliard Hartley is a young man, brother to the heir of an English estate.
 When he marries a young lady lower on the social ladder than his father wished, he is expelled from his father's house.
 He soon travels to Egypt, due to his knowledge of Arabic, and obtains employment with a merchant firm.
 When the Dervishes attack and destroy his employer's warehouse, he joins the army under Hicks Pasha as an interpreter.
 The expedition is destroyed, and no news is heard of Gregory.
"I Wanna Be Your Lady" was the first single released from the "Hinda" album of Hinda Hicks and features Shaznay Lewis on vocals.
 It charted at 109 in the UK Singles Chart on its first release, but peaked on #14 on its second release of 15 August 1998.
Lady Pamela Carmen Louise Hicks ("née" Mountbatten; born 19 April 1929) is a British aristocrat.
 She is the younger daughter of the 1st Earl Mountbatten of Burma by his wife, Edwina Mountbatten.
 Through her father, Lady Pamela is a first cousin of Prince Philip, Duke of Edinburgh and a great niece of the last Empress of Russia, Alexandra Feodorovna.