His brother Frederick acted as regent, because Louis suffered from mental illness.
However, in 1856, his brother Frederick was crowned Grand Duke as well.
At her mother's death, she and her brother Frederick burned some of their mothers papers before they could be seen by the King.
His brother Frederick was the Speaker of the House for that same Congress.
After the death of the father in 1756, his brother Frederick succeed to the Dukedom.
She takes the initiative to summon her brother Frederick, a naval officer, who is crushed with grief at the death of his mother.
His sister had already been married to Maria Amalia's brother Frederick since 1769.
William deposed his brother Frederick in 1484/85 and declared him insane.
He was named after his brother Frederick, who died in 1551, one year before his birth.
He joined his brother Frederick, killed in action in 1914.