Sir Robert Luttrell (Luterel, Luterell) was summoned to parliament by writ 3 times in 1295. Richardson grants all of his descendants the de jure title Lord Luttrell in the lines he traced; this follows the descent of the manor of Irnham, Lincolnshire. However, the 'ancient peerage revival' fad never appears to have touched this title so despite modern peerage law it doesn't really seem like this title is in abeyance? I didn't easily find any petitions to revive this title and it wasn't mentioned in the CP entry so I had removed it from the descendants nicknames. Only Sir Robert actually sat (even that is debatable!) in Parliament. The most charitable treatment is this is dormant - the senior heirs general all knew of this title but already had their own Baronies in the 19th century so they perhaps had no motivation to revive it.
Richardson's interest in this family goes through the descent through the Hiltons, and then the Thimbleby which splits off at Elizabeth Thimbleby who m. Thomas Welby. But Irnham (and this title) descended to her brother John, and when the male line died off it was held by the Conquest family which gets us to Benedict.
I traced the line from John Thimbleby to Benedict Conquest with minimal sourcing and I'm going to leave it here for someone else to work on. I actually think there's probably a lot about his life we could find out - he died in the 18th century, he sold off a lot of property to pay debts, including their namesake manor of Houghton Conquest and had his seat at Irnham. He had more than one child but Mary Christina is notable since she was married to Henry Arundell, 8th Baron Arundell of Wardour.
That's the background, my questions are:
Is Lord Luttrell actually a title we should use?
Can someone please look into Benedict and see if you can add more detail to his profile?