Reuben
Warren
Renley
We have a friend called Brendan who now goes by Ren
Soren. Reign. Perrin. Seren. Farren. Torren. Renley. Barren. Raven. Quiren. Torben. Oberon. Wolfren. Renfred. Wrenley. Brennan. Lawrence. Arren/Aren. Dorien/Doren. Reuben/Ruben. Kierren/Kieren. Renatus/Renato. Brentley/Brenton. Cameron/Camren. Maclaren/Mclaren. Florentine/Florentino/Florent. Clarendon/Claren. Trennon/Trennen. Waldren/Walden. Renaldo/Renald. Saphren/Saffren. Brendt/Brent. Ephren/Efren. Tarren/Taren. Brentwood. Oleander. Evander. Lorenzo. Renaldo. Auberon. Torrence. Grenville. Brendan. Clarence. Reginald. Bernard. Larrence. Prentice. Renwick. Brenner. Renfrew. Tiernen. Leander. Renault. Kiernan. Firenzo. Renard. Trenton. Devren. Rennie. Ciaren. Jarren. Sevren. Torrent. Zarren. Maren. Koren. Renan. Varen. Evren. Joren. Oren. in Japanese origin, the name "Ren" means "lotus" - so you could potentially do it backwards, and use the name Lotus for your little boy, with Ren as nickname! 💙
Renley, Joren, Soren, Ahren, Camren, Kyren, Kieren, Orren, Taren, Wrenn
Lorenzo Trent Remy
The main one I can think of is Soren (just met a French couple who named their son that). Or Warren.
René (or Renee)
Evren
Renley, Lorenzo, Clarence, Laurence, Renton, Oren, Renny, Renwick, Camren, Brenley, Kieran, Soren