As for Bettina, I think our connection could be this way:
Look for Princess Henriette Adelaide of Savoy as her ancestor. She is a cousin of Prince Franscis Savoie. Princess Henriette's husband was Ferdinand Maria, Elector of Bavaria. Ferdinand was born in Munich, Germany in 1636.
Henriette and Ferdinand's son was Maximilian Emanuel. Maximilian Emanuel had two wives:
First marriage with Maria Antonia of Austria, daughter of Emperor Leopold I, Holy Roman Emperor:
Leopold Ferdinand (b. and d. 1689)
Anton (b. and d. 1690)
Joseph Ferdinand of Bavaria, Prince of Asturias (1692–1699), Crown Prince of Spain
Second marriage with Theresa Kunegunda Sobieska of Poland, daughter of King John III Sobieski:
Stillborn child (1695)
Maria Anna Karoline (1696–1750), since 1720 a nun
Charles Albert (1697–1745), elector of Bavaria, King of Bohemia and Holy Roman Emperor, ∞ 1722 Maria Amalia Josepha Anna of Austria (1701–1756)
Philipp Moritz Maria (1698–1719), elected bishop of Paderborn and Münster
Ferdinand Maria (1699–1738), imperial general
Clemens August (1700–1761), Grand Master of the Teutonic Order, Prince Archbishop of Cologne, Bishop of Regensburg, Paderborn, Osnabrück, Hildesheim and Münster
Wilhelm (1701–1704)
Alois Johann Adolf (1702–1705)
Johann Theodor (1703–1763), Cardinal, Prince bishop of Regensburg, Freising and Liege
Maximilian Emanuel Thomas (1704–1709)
He had an illegitimate child with his French mistress Agnes Françoise Louchier;
Emmanuel François Joseph, Count of Bavaria (1695–1747) had two children with Maria Josepha Karolina von Hohenfels; also had an affair with Louise Anne de Bourbon, grand daughter of Madame de Montespan.