Thomas Francis (1596-1656) was the founder of the Savoy-Carignano line of the House of Savoy.

He was son of Charles Emmanuel I of Savoy and Catherina Michaella , daughter of Philip II of Spain and Elizabeth of Valois. Elizabeth was daughter to Henry II of France and Catherine de' Medici.

Thomas married Marie of Bourbon-Soissons. They had 2 sons (Italian names in parentheses):

Carignano Line

1. Emmanuel Philibert Amadeus (Emanuele Filiberto Amedeo) 1623-1709, married Catherina of Este and had (more than a child?) including:

1. Victor Amadeus (Vittorio Amedeo) 1690-1741 had (more than a child?) including:

1. Louis Victor (Ludovico Vittorio) 1721-1778 had (more than a child?) including:

1. Victor Amadeus (Vittorio Amedeo) 1743-1780 had (more than a child?) including:

1. Charles Emmanual (Carlo Emanuele) 1770-1880 married Maria Christina Albertina of Soissonia (?) Curlanda(?) and had (more than a child?) including:

1. Carlo Alberto, King of Sardinia

Soissons Line

2. Eugene Maurice 1633-1673, Count of Soissons, had 2 sons

1. Louis Thomas d.1702, Count of Soissons

2. Eugene 1663-1736, Prince of Savoy, called The Famous General