To the rest of [the Levites], the sons of Merari, [were given], out of the tribe of Zebulun, Rimmono with its suburbs, Tabor with its suburbs;
"Nadab and Abihu"  (1 Chronicles 6:3).  Their offering strange fire before Jehovah and their untimely death are recorded in  Leviticus 20:1-2, and in  Numbers 3:4.  They left no children.