Ludwig von Orleans was son of Karl V. von Frankreich, who was son of Johann II. den Guten von Burgund and Bone von Luxemburg.

Ludwig von Orleans was married to Valentina Visconti and Johanna von Baden Hochberg Sausenberg. His son with Valentina Visconti was:

Karl von Orleans followed by:

Ludwig XII. von Milan, who became Koenig von Frankreich.

Ludwig XII. von Frankreich married Anna von Bretagne, daughter of Francois von Bretagne.

They had two daughters:

Renee married to Ercole II. von Este and
Claude married to Karl II./III. von Lothringen.

Ercole von Este and Renee had daughter Anna, who married Jacob von Nemours Savoy.

Out of marriage with Claude von Frankreich and Karl II./III. von Lothringen was born daughter Christine, wife of Ferdinand I. von Tuscien. Their son was:

Cosimo II. von Tuscien married to Maria Magdalena von Steyermark, daughter of Karl von Steyermark.

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Ludwig von Orlean's second marriage to Johanna von Baden Hochberg Sausenberg. Out of this marriage was born daughter Charlotte von Orleans, who was married to Philipp von Savoy Saluzzo.

Their son was Jacob von Nemours Savoy von Genf.
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Ludwig I. von Orleans' wife from second marriage was Johanna von Baden Hochberg Sausenberg, daughter of Philipp von Baden Hochberg von Orange and Maria von Savoy, daughter of Amadeus IX. von Savoy. He was the son of Ludwig I. von Savoy, who again was the son of Amadeus VIII. von Savoy.

Philipp von Baden Hochberg was son of Rudolph IV. von Sausenberg, whose father was Wilhelm von Sausenberg married to Elisabeth von Montfort Bregenz. Ancestors of Wilhelm von Sausenberg were:

Berthold I. im Breisgau.
Berthold II. im Breisgau
Berthold III. im Breisgau
Berthold V./I. von Zaehringen
Hermann I. von Baden
Hermann II. von Baden
Hermann III. von Baden
Hermann IV. von Baden
Heinrich I. von Hochberg
Heinrich II. von Hochberg
Rudolph I. von Sausenberg
Rudolph II. von Sausenberg and
Rudolph III. von Sausenberg

Other important line of Markgraf Wilhelm von Sausenberg starts with Welf von Altdorf von Bayern. His followers are:

Judith von Altdorf married to Ludwig der Fromme, Koenig von Franken.

Karl der Kahle, Koenig von Franken

Ludwig II. der Stotterer, Koenig von Franken. His daughter was:

Irmentrud. Her daughter:
Kunigunde married Ricuinus von Ardennen

Sigfried von Luxemburg
Friedrich von Luxemburg

Irmentrud von Luxemburg married to Welf II. von Schwaben. Their daughter:

Kunigunde married Alberto II. Azzo von Este. His son was:

Welf IV. von Bayern followed by:

Heinrich der Schwarze von Bayern married to Wulfhilde von Sachsen. His daughter was:

Wulfhilde married Rudolph II. von Bregenz. Their daughter:

Elisabeth von Bregenz married Hugo IV. von Thueringen, followed by:

Hugo I. von Montfort
Hugo II. von Montfort
Hugo III. von Montfort Tettnang

Wilhelm II. von Montfort Tettnang married to Kunigunde von Rapoldstein.

Wilhelm III. von Montfort Bregenz
Wilhelm IV. von Montfort Bregenz

Konrad von Montfort Bregenz married to Agnes von Montfort Toasters. Their son was:

Wilhem VIII. von Montfort Bregenz and finally

Elisabeth von Montfort Bregenz, wife of Markgraf Wilhelm von Sausenberg.