4 occurrences in 4 dictionaries
Reference: Laadah
Fausets
Shelah's son, Judah's grandson; father, i.e. founder, of Mareshah of Judah (1Ch 4:21).
Morish
La'adah
Son of Shelah and grandson of Judah. 1Ch 4:21.
Smith
La'adah
(order), the son of Shelah and grandson of Judah.
1Ch 4:21