At some point .
Certainly before 27 June 1371 he married Joan , possibly the daughter of Sir Thomas de Hoo of Luton Hoo ; they had one son , his heir William , who had been born on 25 April 1372 in Hoo , Bedfordshire .
At some point , but certainly before 27 June 1371 he married Joan , possibly the daughter of Sir Thomas de Hoo of Luton Hoo ; they had one son , his heir William , who had been born on 25 April 1372 in Hoo , Bedfordshire .