Yeah well, since the kingdom is gone then didn't need to keep giving the kids stupid names.

[Dig well, Ghirahim. And be persistent.]

According to the legend, Ganondorf tried to take over. And since the Hero of Time never came back to beat him again, the people prayed to the Goddesses. In an answer to their prayers, they sent to people to the mountaintops and sealed the kingdom then made it rain until the kingdom was completely covered by the sea.