Stéphanie de Beauharnais
Stéphanie, Grand Duchess of Baden( Stéphanie Louise Adrienne de Beauharnais; August 28, 1789 – January 29, 1860) was a French princess and the Grand Duchess consort of Baden by marriage to Karl, Grand Duke of Baden.
Frederick II, Grand Duke of Baden
Frederick II( 9 July 1857 – 9 August 1928) was the last sovereign Grand Duke of Baden, reigning from 1907 until the abolition of the German monarchies in 1918.
The state of Baden originated from the area of the Grand Duchy.
In 1951- 1952, it became part of the new state of Baden- Württemberg.
Gertrude of Baden
Gertrude of Baden( before 1160 – before 1225) was a Margravine of Baden by birth and by marriage a Countess of Dagsburg.
She was a daughter of Margrave Hermann III of Baden and his wife, Bertha of Tübingen.
Emperor Daigo
Daigo's reign spanned the years from 897 through 930.
He is named after his place of burial.
Mechthild of Bavaria
Mechthild of Bavaria (12 July 1532 – 2 November 1565 in Baden-Baden) was a German noblewoman.
She was the daughter of William IV, Duke of Bavaria and his wife Marie.
She was buried in the Stiftskirche at Baden-Baden.
On 17 January 1557 she married Philibert, Margrave of Baden-Baden, and they had the following children:
Mechthild is a German form of Matilde.
Jakobea of Baden
Princess Jakobea of Baden (16 January 1558 – 3 September 1597 in Düsseldorf, buried in the St. Lambert Church in Düsseldorf) was daughter of the Margrave Philibert of Baden-Baden and Mechthild of Bavaria.
Christoph I, Margrave of Baden-Baden
Christopher I of Baden( 13 November 1453 – 19 April 1527) was the Margrave of Baden from 1475 to 1515.
Beatrix of Baden
Beatrix of Baden( 22 January 1492 – 4 April 1535) was a Margravine of Baden by birth and by marriage and a Countess Palatine of Simmern.
She was a daughter of Christoph I, Margrave of Baden and Ottilie of Katzenelnbogen.
Herman II, Margrave of Baden
Hermann II of Baden( c. 1060 – 7 October 1130) was the first to use the title Margrave of Baden, after the family seat at Castle Hohenbaden.
This castle is in the present day town of Baden- Baden.
Prince William of Baden (1829–1897)
Prince Louis" William" Augustus of Baden( 18 December 1829 – 27 April 1897) was a Prussian general and politician.
He was the father of Prince Maximilian of Baden, the last Minister President of the Kingdom of Prussia and last Chancellor of the German Empire.
Wilhelm was a Prince of Baden, and a member of the House of Zähringen.

Question: Where was the place of burial of Jakobea Of Baden's mother?
Answer: Stiftskirche