Four or more generations of descendants of Elizabeth Avery (1850-1937) if they are properly linked:
1. Elizabeth Avery (1850-1937)
- 2. James Avery Gilbert (1876-1890)
- 2. Thomas Hiram Gilbert (1877-1930)
- 2. Mary Ann Gilbert (1880-1960)
- 2. Catherine Gilbert (1882-1894)
- 2. Elizabeth Jane Gilbert (1884-1959)
- 2. Hiram John Gilbert (1886-1960)
- 2. William Henry Gilbert (1888-1957)