Cynthia Mary Jacobs (1920–2005)
- Jacobs, Clifford Samuel (husband)

- Jacobs, Agnes Lilian (mother-in-law)

- Jacobs, Philip Acland (father-in-law)


- Jacobs, Susan (sister-in-law)

- Kane, Kate Henrietta (sister-in-law)

- Jacobs, Anne (sister-in-law)

- Jacobs, Charles Philip (brother-in-law)

- Jacobs, Roland Peter (brother-in-law)

- Jacobs, Peter Acland (brother-in-law)

- Jacobs, Leslie Rypinski (uncle by marriage)

Citation details
'Jacobs, Cynthia Mary (1920–2005)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/jacobs-cynthia-mary-21549/text, accessed 27 April 2025.