| Otto Tetone I of Montferrat Marquis of Montferrat (~0965 - 0991) |
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| Daughter of Riprando of Piacenza (~0970 - ) |
| Guglielmo I of Savona Marquis of Montferrat | Waza |
| b. abt 0990, Montferrat, Italy d. bef 29 Jan 1041/42 bur. occ. cen. im. . ud. abt 1031, Living |
b. abt 0995, Italy d. bur. occ. cen. im. . ud. |
| Otto II of Montferrat Marquis of Montferrat |