The House of Mecklenburg, also known as the Nikloting dynasty, is a North German family of Polabian origin that ruled until 1918 in the Mecklenburg region, being among the longest-ruling families of Europe. Queen Juliana of the Netherlands (1909–2004), former Queen of the Netherlands (1948–1980), was an agnatic member of this house.
The House of Lippe (German: Haus Lippe) is the former reigning house of a number of small German states, two of which existed until the German Revolution of 1918–19, the Principality of Lippe and the Principality of Schaumburg-Lippe.
Princess Beatrix of the Netherlands, former Queen of the Netherlands (1980–2013), is an agnatic member of this house.