The Marquis de Gramont having a rags-to-riches type of origin story might also instill within him some genuine anger and even hatred towards John.

Source: https://screenrant.com/john-wick-4-break-franchise-villain-trend/

The Marquis of Lorne and Princess Louise made Rosneath Castle their principal home from 1896.

Source: https://www.helensburghadvertiser.co.uk/news/23282155.little-rosneath-castles-history-left-words-pictures/?ref=rss

The Marquis Theatre, which opened in 1986, is a Broadway theater on the third floor of the New York Marriott Marquis hotel in the Theater District of Midtown Manhattan in New York City.

Source: https://www.dailymail.co.uk/tvshowbiz/article-11791485/Jonas-Brothers-announce-Broadway-residency-theyll-perform-different-albums-show.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

The singer of Green Day Billie Joe Armstrong actually follows the pub on social media which Tommy is very active with which is why they chose The Marquis for their gig, Tommy said.

Source: https://www.mylondon.news/whats-on/whats-on-news/inside-london-pub-filled-6000-28107071