Question: What princely family did the family in which the station motto for the RAF Mount Batten branch from?

Context paragraphs:
Massalski family: The Massalski (Plural: Massalscy, feminine form: Massalska) sometimes: "Masalski" is a Polish-Lithuanian princely family of Ruthenian origin from the Principality of Chernigov and based on the city of Mosalsk.  The family descended from the Rurik dynasty.  Their princely title was recognized in 1775.

Royal family: A royal family is the immediate family of a king or queen regnant, and sometimes his or her extended family.  The term imperial family appropriately describes the family of an emperor or empress, and the term papal family describes the family of a pope, while the terms baronial family, comital family, ducal family, grand ducal family, or princely family are more appropriate to describe the relatives of a reigning baron, count, duke, grand duke, or prince.  However, in common parlance members of any family which reigns by hereditary right are often referred to as royalty or "royals."  It is also customary in some circles to refer to the extended relations of a deposed monarch and his or her descendants as a royal family.  A dynasty is sometimes referred to as "the House of ...".  As of July 2013, there are 26 active sovereign monarchies in the world who rule or reign over 43 countries in all.

Rosetti family: The Rosetti family (also spelled "Ruset", "Rosset, Rossetti"), was a Moldavian boyar princely family of Byzantine and Italian (from Genoa) origins.  There are several branches of the family named after their estates: Roznovanu, Solescu, Bălănescu, Răducanu, Ciortescu, Tescanu, and Bibica.  The Rosetti family in Wallachia is another branch of the family who initially settled in Moldavia.

Tusishvili: The Tusishvili (Georgian: ტუსიშვილი ; archaically known as Tusisshvili, ტუსისშვილი) was a Georgian princely family, known in the eastern province of Kakheti from 1469.  The Tusishvili branched off the House of Zedginidze.  They had their estates at Akhmeta and Gagma-Mkhari on the left bank of the Alazani.  After Russian annexation of Georgia, the family was incorporated among the Russian princely houses in 1850.

RAF Mount Batten: RAF Mount Batten was a Royal Air Force station and flying boat base at Mount Batten, a peninsula in Plymouth Sound, Devon, England.  Originally a seaplane station opened in 1917 as a Royal Navy Air Service Station Cattewater it became RAF Cattewater in 1918 and in 1928 was renamed RAF Mount Batten.  The station motto was "In Honour Bound" which is the motto of the Mountbatten family.

Mountbatten family: The Mountbatten family is a European dynasty originating as a branch of the German princely Battenberg family.  The name was adopted during World War I by family members residing in the United Kingdom due to rising anti-German sentiment amongst the British public.  The name is an Anglicisation of the German Battenberg, a small town in Hesse.  The title of count of Battenberg, later prince of Battenberg, was granted to a morganatic branch of the House of Hesse-Darmstadt, itself a cadet branch of the House of Hesse, in the mid 19th century.

RAF Mount Pleasant: RAF Mount Pleasant (IATA: MPN, ICAO: EGYP) (also known as Mount Pleasant Airport, Mount Pleasant Complex or MPA) is a Royal Air Force station in the British Overseas Territory of the Falkland Islands.  The airfield goes by the motto of "Defend the right" (while the motto of the islands is "Desire the right") and is part of the British Forces South Atlantic Islands (BFSAI).  Home to between 1,000 and 2,000 British military personnel, it is located about 33 mi southwest of Stanley, the capital of the Falklands—on the island of East Falkland.  The world's longest corridor, half a mile (800 m) long, links the barracks, messes and recreational and welfare areas of the station, and was nicknamed the "Death Star Corridor" by personnel.

Fürstenberg-Weitra: Fürstenberg-Weitra was a cadet branch of the princely House of Fürstenberg, originally from Donaueschingen in Swabia, in present-day southwestern Baden-Württemberg, Germany.  From 1744 onwards the landgravial line resided at Weitra Castle in the Archduchy of Austria, a Renaissance fortress close to the border with Bohemia.  Though the Austrian possessions were not part of the Swabian Principality of Fürstenberg, the princely family owns Weitra Castle up to today.

Korecki family: The Korecki (plural: Koreccy) was a Polish princely family.  The name is derived from the princely seat of the family at the city of Korets in the Crown of the Kingdom of Poland (today Rivne Oblast).  The family descended from Narymunt, the second eldest son of Gediminas.  The princely family line became extinct in the 17th century.

Mount Batten: Mount Batten is a 24-metre-tall outcrop of rock on a 600-metre peninsula in Plymouth Sound, Devon, England, named after Sir William Batten (c.1600-1667), MP and Surveyor of the Navy.

Supporting paragraphs: RAF Mount Batten Mountbatten family
Answer: Battenberg family