In the myths about "Kuniumi" (the birth of the land of Japan) and "Kamiumi" (the birth of gods), he and Izanami procreated many children who formed the land of Japan.
国産み・神産みにおいてイザナミとの間に日本国土を形づくる多数の子を儲ける。 - Wikipedia日英京都関連文書対訳コーパス
The procreated gods first created Awaji-shima Island, followed by the islands such as Honshu (the main land), Shikoku and Kyushu, and they also included gods of shinrabansho (all things in nature, the whole creation) such as gods of stone, tree, sea (the god named Owatatsumi no Kami), water, wind, mountain (the god named Oyamatsumi no Kami), field and fire.
その中には淡路島を筆頭に本州・四国・九州等の島々、石・木・海(大綿津見神)・水・風・山(大山津見神)・野・火など森羅万象の神が含まれる。 - Wikipedia日英京都関連文書対訳コーパス