Old Mr. Toad in "The Smiling Pool Kindergarten"

"Are those great big fat pollywogs Grandfather Frog's children, or Old Mr. Toad's?" asked Ryder.
"Grandfather Frog's last year's children," replied Jerry. "They'll grow into real Frogs this summer, if nothing happens to them."
"Where are Old Mr. Toad's last year's children?" asked Ryder.