Sir William Plumpton
Sir William was born in 1338 in Plumpton, Yorkshire, England.  He died at the age of 69 on April 19th, 1407.

 Isabella le Scrope
Isabella was born in 1349 in Clifton, Yorkshire, England.

 Sir William Plumpton
Sir William was born in 1362 in Plumpton, Yorkshire, England.  He died at the age of 43 on June 8th, 1405 in Beheaded at Spolfort, England.

 Alice Plumpton
Alice was born in 1364.

 Joan Plumpton
Joan was born about 1380.