Philipp vonBraunschweig-Grubenhagen gelang es, den Unmut zu dämpfen. Die hohen Schatzungsforderungen Erichs schienen die Kritik der Bürger kurz danach zu bestätigen.
Henry III, Duke of Brunswick-Lüneburg (* 1416 Grubenhagen, † 20 December 1464 [1 ]), of the House of Welf, was a Duke of Brunswick-Lüneburg ruling the ducal Principality of Grubenhagen between 1427 and 1464.
Mince v hodnotě 24 Grošů z biskupství za vlády Wolfganga a Philipp II. Krásný sbírkový stav, lehká patina, nádherný lesk v plochách, drobné rysečky, lehce nedor., v ruce
Eric inherited Brunswick-Grubenhagen at a very early age; he stood until 1401 under the guardianship of his uncle, Duke Frederick of Grubenhagen-Osterode.
Grubenhagen was rather smaller than the other Guelph principalities. Because Henry the Admirable had many children (eight sons and eight daughters), it was difficult to supply all the descendants in style.