Wikipedia
Winath
Winath is a fictional planet in the 30th century .
Winath is a primarily agrarian planet, settled by humans sometime between the 20th and 30th centuries. For reasons that were never explained, almost all children born on Winath are fraternal twins.
Winath is the homeworld of Legionnaires Lightning Lad and Lightning Lass, who are twins, as well as their older sibling, the supervillain Lightning Lord. Their powers are not related to their planet of origin.