Gustav Albrecht Alfred Franz Friedrich Otto Emil Ernst, 5th Prince of Sayn-Wittgenstein-Berleburg, 28 February 1907 – 1944 (declared legally dead 29 November 1969) was Prince and head of the House of Sayn-Wittgenstein. He was the son of Richard, 4th Prince of Sayn-Wittgenstein-Berleburg.
Gustav Albrecht, 5th Prince of Sayn-Wittgenstein-Berleburg (Gustav Albrecht Alfred Franz Friedrich Otto Emil Ernst as born on 28 February 1907 at Berleburg, Germany. He married Margareta Fouché d'Otrante (28 March 1909 – 25 August 2005), daughter of Charles Fouché, 6th Duc d'Otrante, on 26 January 1934 at Björnlunda, Södermanland Län, Sweden.
In June 1944, he was serving as an officer in the German army during the campaign against the Soviet Union. After disappearing during a mission near the Belarusian city of Orsha, Gustav Albrecht was declared missing in action. His family did not seek to have him declared dead until after the birth of his grandson and heir eventual Prince Gustav on 12 January 1969; 29 November 1969 is listed as the official date of death for Gustav Albrecht.
He is alternately known as Gustav Albrecht Prinz zu Sayn-Wittgenstein-Berleburg.
Prince Gustav Albrecht served in the German Army in the rank of field officer/field-grade officer (Ic-Stabsoffizier) with the title of Rittmeister der Reserve in the 23rd Panzer-Division. Nearly two months after his disappearance during Operation Bagration in June 1944, he was awarded the German Cross in Silver (Kriegsorden des Deutschen Kreuzes in Silber) on 18 August 1944. Additionally, he was awarded the War Merit Cross 1st. class with swords (Kriegsverdienstkreuz 1. Klasse mit Schwertern), also known as the KVK 1, which was instituted on 18 October 1939 by Hitler; the date of this honor is not known.
They have five children, twenty grandchildren, fifty-seven great-grandchildren and six great-great-grandchildren:
Richard, 6th Prince of Sayn-Wittgenstein-Berleburg (29 October 1934-13 March 2017) married Princess Benedikte of Denmark on 3 February 1968. They have three children and four grandchildrenPrincess Madeleine of Sayn-Wittgenstein-Berleburg (22 April 1936) she married Count Otto of Solms-Laubach on 29 July 1958. They have ten children, thirty-six grandchildren and six great-grandchildren:Countess Tatiana of Solms-Laubach (16 December 1958) she married Count Friedrich Christian of Hochberg on 22 October 1977 and they were divorced in 1982. They have one son and three grandchildren. She remarried Count Patrick of Saurma Baron of and to Jeltz on 18 August 1986. They have two sons:Count Benjamin von Hochberg (1978) he married Charly Waydelin. They have three children:Countess von Hochberg (2011)Count Otto von Hochberg (2015)Count/Countess von Hochberg (2015)Count Robin of Saurma (31 May 1989)Count Nicholas of Saurma (14 May 1991)Countess Ariane of Solms-Laubach (16 December 1958) she married Stephan Koenigs in 1979 and they were divorce. They have three children and three grandchildren. She remarried Hubertus von Dewitz in 1987 and they were divorce in 1996. They have two children. She remarried, again, Dieter Brinks in 1996 and divorce in 2014. She remarried a third time to Mr. Fürstenberg.Karl-Anton Koenigs (1980) with his partner Julia Primus has a child born in 2015.Madeleine Koenigs (1980) she married Friedrich Oetker in 2014. They have two children:Mr./Miss. Oetker (2015)Tatiana Oetker (2017)Karl-Gustav Koenigs (1983)Clemens-August von Dewitz (1988) he married Countess Benedetta of Luckner in 2016.Marie-Leontine of Dewitz (1990)Countess Anna Margareta of Solms-Laubach (29 June 1960) she married Marc Laudien in 1998. They have three daughters. She also have three children with an unknown person.Otto to Soms-Laubach (1988)Elena to Solms-Laubach (1989)Laura to Solms-Laubach (1989)Margareta Laudien (1998)Tatiana LaudienCarlotta LaudienCountess Christina of Solms-Laubach (19 July 1962) she married Killian of Pezold in 1990. They have four children:Johanna von Pezold (1992)Sophia of Pezold (1993)Helene of Pezold (1995)Pauline of Pezold (1998)Karl, Count of Solms-Laubach (1 December 1963) he married Julia Willers in 1991 and they were divorce. They have four children. He married Celina of Luttitz in 2012.Countess Emma of Solms- Laubach (1992)Hereditary Count August of Solms-Laubach (1994)Countess Clara of Solms-Laubach (1996)Countess Hannah of Solms-Laubach (1999)Count Gustav of Solms-Laubach (22 October 1965) he married Nicola Hipp in 2000. They have three children:Countess Olga of Solms-Laubach (2005)Countess Paula of Solms-Laubach (2005)Count Oscar of Solms-Laubach (2008)Elisabeth of Solms-Laubach (12 August 1968) she married Ludwig Schmucker in 1996. They have four children:Emilia Schmucker (1997)Helena Schmucker (1999)Maria SchmuckerFranz Ludwig Schmucker (2003)Countess Maria of Solms-Laubach (12 August 1968) she married Prince Stephan of Lippe (son of Armin, Prince of Lippe) on 15 October 1994. They have five children.Count of Franz of Solms-Laubach (2 October 1971) he married Viktoria Unterreiner in 2012. They have two sons:Count Ferdinand of Solms-Laubach (2014)Count Franz of Solms-Laubach (2017)Count Ferdinand of Solms-Laubach (b d 2 October 1971)Prince Robin of Sayn-Wittgenstein-Berleburg (29 January 1938) he married Birgitta af Klercker on 29 January 1970 and they were divorced on 4 October 1979. They have two children and four grandchildren. He remarried Marie-Christine Heftler-Louiche on 29 November 1979. They have one daughter and three granddaughters.Princess Tatiana of Sayn-Wittgenstein-Berleburg (31 July 1940) married Moritz, Landgrave of Hesse on 3 June 1964 and they were divorced 16 October 1974. They have four children and ten grandchildren.Princess Pia of Sayn-Wittgenstein-Berleburg (b 8 December 1942)