His widow Agnes died in 1435 and was buried in Pudagla Monastery.
Peter Melander left a fortune that allowed his widow Agnes to purchase the Lordship and Castle of Schaumburg in 1656, and merge it with Holzappel, thus forming the County of Holzappel-Schaumburg.
In 1949, his widow Agnes presented the Lady Wigram Trophy, and an annual motor race was established at the Wigram airbase.
His widow Agnes then married the Master of Glamis.
In 1569, an alliance between the O'Neills and MacDonnells was secured upon the marriage on Rathlin Island of Shane's successor, Turlough Luineach O'Neill, to the widow Agnes.
His widow Agnes married Thomas O'Neil on 9 December 1895.
The duke died in 1368 and after the death of his widow Agnes of Habsburg in 1392 his duchy was finally annexed by the Bohemian Crown.
After Bogislaw's death, his widow Agnes married in 1396 Duke Albert III of Mecklenburg-Schwerin.
Peter Melander left a fortune that allowed his widow Agnes to purchase the Castle and Lordship of Schaumburg near Balduinstein in 1656.
John died and his widow Agnes died on 27 January 1894 at Tanti Rd Mornington.