Frederick William I, Duke of Schleswig-Holstein-Sonderburg-Beck (
German: Friedrich Wilhelm I. Herzog von Schleswig-Holstein-Sonderburg-Beck; 2 May 1682 – 26 June 1719) was a son of Duke
August and his wife, Hedwig Louise of Schaumburg-Lippe. He succeeded his father as Duke of Schleswig-Holstein-Sonderburg-Beck in 1689.
Since he had no surviving male heir, he was succeeded as Duke of Schleswig-Holstein-Sonderburg-Beck by his paternal uncle
Frederick Louis.
Marriage and issue
In
Munich,
Bavaria, on 8 February 1708, he married Maria Antonia called Antoinette Josefa Isnardi di Castello, 8th Countess of Sanfré (
Munich,
Bavaria, 15 October 1692 –
Vienna,
Austria, 17/18 February 1762), sister of Ignazio Giambattista Isnardi di Castello, 6th Marquess of Caraglio and 7th Count of Sanfré, Marquess of
Lenoncourt and Marquess of
Balinville, and daughter of Francesco Antonio Massimiliano Emmanuele Isnardi di Castello (14 July 1658 – ?), 5th Marquess of
Caraglio and 6th Count Consort of
Sanfré,
Piedmont,
Savoy, later
Sardinia, and wife Maria Magdalene Grundemann von Falkenberg, heiress of
Sanfré and
Strevi. They had two surviving daughters:
Maria Anna Leopoldine (
Linz,
Vienna, 2 August 1717 -
Turin,
Sardinia, 7 February 1759/1789, buried
Sanfré), heiress of
Sanfré,
Piedmont, married in
Vienna on 4 August 1735 Dom Manuel de Sousa (21 July 1703 - in a fire, in prison, in
Lisbon, January 1759), Lord of the
Majorats of o
Calhariz,
Monfalim and os
Olivais, in
Portugal, and had issue, which took the surname de Sousa-[e-]Holstein and later also de Sousa-[e-]Holstein-Beck and became Counts of
Palmela then Marquesses of Palmela and finally Dukes of o
Faial de juro e herdade, title traded by the one of Duke of Palmela de juro e herdade, Counts of o Calhariz, Marquesses of o Faial, Marquesses of Monfalim, Marquesses of Sousa-Holstein and Marquesses of
Sesimbra, extinct in male line on 6 May 1934, but which female lines of representation maintain the surnames and titles of Duke of Palmela de juro e herdade, Marquess of o Faial, Count of o Calhariz, Marquess of Sousa-Holstein, Marquess of Monfalim and Marquess of Sesimbra, having also inherited by marriage the titles of Viscount of a Lançada and Count of a Póvoa and Baron of Teixeira; her second cousin
William, Count of Schaumburg-Lippe, also went to Portugal, where he became a notable military commander
Johanna Amalia/Amalie/Amabila Barbara (
Lodi,
Milan, 3/4 December 1718/1719 -
Vienna, 30 October 1774), married in
Vienna on 26 September 1740 Dom Manuel Teles da Silva (
Lisbon, 16 September 1696 -
Vienna, 8 March 1771), 1st Duke of Silva, 1st Count of Silva-Tarouca in 1735, second brother of the 1st Marquess of
Penalva de juro e herdade and 5th Count of
Tarouca de juro e herdade in Portugal married with female issue which continued the titles, and had issue, extinct in male line on 21 September 1971
^Huberty, Michel; Alain Giraud; F. and B. Magdelaine (1994). L'Allemagne Dynastique Tome VII Oldenbourg (in French). France. pp. 79, 97, 118, 141.
ISBN2-901138-07-1.{{
cite book}}: CS1 maint: location missing publisher (
link)
Frederick William I, Duke of Schleswig-Holstein-Sonderburg-Beck