Maria Sormani
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- 1 Maria Sormani [1]
- Giovanni Battista Pirelli b. 27 Dec 1848 d. 20 Oct 1932
- 2 Alberto Pirelli [1.1] b. 28 Apr 1882 d. 19 Oct 1971
- Ludovica Zambeletti
- 3 Maria Giovanna Pirelli [1.1.1] b. 1915 d. 1970
- 3 Elena Pirelli [1.1.2] b. 1917 d. 2009
- + Franco Brambilla b. 1908 d. 2001
- + Franco Brambilla b. 1908 d. 2001
- 3 Giovanni Pirelli [1.1.3] b. 3 Aug 1918 d. 3 Apr 1973
- 3 Leopoldo Pirelli [1.1.4] b. 27 Aug 1925 d. 23 Jan 2007
- 3 Maria Giovanna Pirelli [1.1.1]
- 2 Piero Pirelli [1.2] b. 1881 d. 1956
- 2 Rosa Pirelli [1.3] b. 29 Mar 1884 d. 30 Jun 1962
- Giovanni Battista Gavazzi b. 9 Jan 1882 d. 21 Apr 1935
- 3 Egidio Gavazzi [1.3.1] b. 19 Jan 1907 d. 23 Feb 1987
- + Ippolita Cicogna b. 26 Aug 1914 d. 25 Apr 2009
- + Ippolita Cicogna b. 26 Aug 1914 d. 25 Apr 2009
- 3 Egidio Gavazzi [1.3.1]
- 2 Margherita Pirelli [1.4]
- Rinaldo Negri
- 3 Carlo Negri [1.4.1] b. 26 Sep 1919 d. 23 Sep 1943
- 3 Margherita Negri [1.4.2]
- 3 Carlo Negri [1.4.1]
- 2 Giorgio Pirelli [1.5]
- 2 Teresa Pirelli [1.6]
- 2 Maddalena Pirelli [1.7]
- 2 Alberto Pirelli [1.1]