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BAD BERLEBURG, GERMANY - MARCH 21: Prince Gustav zu Sayn-Wittgenstein-Berleburg attends the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)

BAD BERLEBURG, GERMANY - MARCH 21: Prince Gustav zu Sayn-Wittgenstein-Berleburg attends the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)

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BAD BERLEBURG, GERMANY - MARCH 21: Prince Gustav zu Sayn-Wittgenstein-Berleburg walks behind the casket at the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)

BAD BERLEBURG, GERMANY - MARCH 21: Prince Gustav zu Sayn-Wittgenstein-Berleburg walks behind the casket at the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)

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BAD BERLEBURG, GERMANY - MARCH 21: The Guard of honor attend the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)

BAD BERLEBURG, GERMANY - MARCH 21:  The Guard of honor attend the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)

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BAD BERLEBURG, GERMANY - MARCH 21: Prince Gustav zu Sayn-Wittgenstein-Berleburg walks behind the casket at the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)

BAD BERLEBURG, GERMANY - MARCH 21: Prince Gustav zu Sayn-Wittgenstein-Berleburg walks behind the casket at the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)

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BAD BERLEBURG, GERMANY - MARCH 21: Prince Gustav zu Sayn-Wittgenstein-Berleburg, Princess Benedikte of Denmark, Carina Axelsson, Count Richard, Princess Alexandra zu Sayn-Wittgenstein-Berleburg, Countess Ingrid and Princess Nathalie zu Sayn-Wittgenstein-Berleburg attend the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)

BAD BERLEBURG, GERMANY - MARCH 21: Prince Gustav zu Sayn-Wittgenstein-Berleburg, Princess Benedikte of Denmark, Carina Axelsson, Count Richard, Princess Alexandra zu Sayn-Wittgenstein-Berleburg, Countess Ingrid and Princess Nathalie zu Sayn-Wittgenstein-Berleburg attend the funeral service of Prince Richard zu Sayn-Wittgenstein-Berleburg at the Evangelische Stadtkirche on March 21, 2017 in Bad Berleburg, Germany. Prince Richard, husband of Princess Benedikte of Denmark, died suddenly on March 13, 2017 at age 83. (Photo by Patrick van Katwijk/Getty Images)