Original sentence: His family was from Richelette, a small community 5kms north east of Liege in Belgium, from which his surname "Lejeune Dirichlet" ("", French for "the youth from Richelette") was derived
Edited sentence: His family was from Richelette, a small community 5km north east of Liege in Belgium, from which his surname "Lejeune Dirichlet" ("", French for "the youth from Richelette") was derived