Four or more generations of descendants of Gerarda van Steen (1822-1893) if they are properly linked:
1. Gerarda van Steen (1822-1893)
- 2. Johanna Gerarda Bakker (1850-1850)
- 2. Johannes Cornelis Bakker (1851-)
- 3. Leonardus Gerardus Bakker (1883-)
- 3. Gerarda Johanna Bakker (1885-1972)
- 4. Elias Vittali (1906-1972)
- 4. Johanna Maria Vittali (1908-1918)
- 4. Leonardus Gerardus Vittali (1910-1952)
- 5. Leonardus Gerardus Vittali (1944) ... (more)
- 5. Johan Cristopher Vittali (1950) ... (more)
- 5. Louise Lamberdina Vittali (1952) ... (more)
- 4. Gerarda Johanna Vittali (1911-)
- 5. Johannes Wilhelmus Ouwerkerk (1933) ... (more)
- 5. Johanna Maria Ouwerkerk (1941) ... (more)
- 4. Hendricus Franciscus Vittali (1912-1997)
- 5. Robert Hendricus Vittali (1944) ... (more)
- 5. Marianne Hendrika Vittali (1946-2004) ... (more)
- 4. Petrus Vittali (1915-1918)
- 4. Sophia Gerarda Vittali (1917-2003)
- 5. Gerarda Johanna Hofstra (1946) ... (more)
- 5. Anthon Hofstra (1952) ... (more)
- 5. Jennie Hofstra (1955) ... (more)
- 4. Hubertus Vittali (1921-1987)
- 5. Marion Vittali (1952) ... (more)
- 4. Fredericus Vittali (1923-2007)
- 5. Frans Vittali (1947) ... (more)
- 3. Johanna Maria Bakker (1888-)
- 3. Petrus Johannes Bakker (c1891-)
- 2. Johanna Cornelia Bakker (1854-1888)
- 3. Leonardus Lambertus Elfering (1880-)
- 3. Gerarda Elfering (1881-1885)
- 3. Agatha Elfering (1884-1884)
- 3. Gerardus Leonardus Elfering (1885-)
- 3. Lifeless Daughter Elfering (1887-1887)
- 3. Gerardus Petrus Elfering (1888-1952)
- 2. Maria Cornelia Bakker (1856-1932)
- 3. Cornelia van Velzen (1880-)
- 3. Leonardus van Velzen (1881-1977)
- 3. Johannes van Velzen (1883-1951)
- 3. Gerardus van Velzen (1885-1894)
- 3. Johanna Cornelia van Velzen (1886-1934)
- 3. Jacoba Gerarda van Velzen (1889-1930)
- 3. Adrianus van Velzen (1891-)
- 3. Cornelius Leonardus van Velzen (1893-)
- 3. Gerarda Maria van Velzen (1895-1982)
- 3. Anna Maria van Velzen (1897-1901)
- 2. Leonardus Gerardus Bakker (1858-1945)
- 3. Leendert Bakker (c1888-)
- 3. Jacobus Bakker (c1890-1912)
- 3. Geertruida Bakker (c1890-)
- 2. Petrus Bakker (1859-1940)
- 3. Gerarda Johanna Bakker (1886-)
- 3. Johannes Bernardus Bakker (1886-)
- 3. Helena Johanna Bakker (1887-)
- 3. Leendert Bakker (1888-)
- 3. Leonardus Bakker (1889-)
- 3. Wilhelmus Bakker (1891-)
- 3. Wilhelmina Johanna Bakker (1892-)
- 3. Maria Johanna Bakker (1894-)
- 2. Agatha Clasina Bakker (1861-1864)
- 2. Jacoba Johanna Bakker (1864-)