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 of Spain, 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