Some interesting info from my digging. G-Max's sister Christine has three children - all under a different surname "Malina".

Yuri Malina - VP of SwipeSense - a healthcare company and "Design for America".

Xavier Malina - Data Scientist who has worked for Google.

Giselle Malina - "Social Impact Designer" and soon to be pharmacist?

Isabel (Ghilaines sister) also has a blog at; https://imaxwell.typepad.com/blog/

Blog featured above mentions Israel Venture Network for which Isabel Maxwell was a CEO.

https://web.archive.org/web/20200709175927/https://webcache.googleusercontent.com/search?q=cache:CSw5NN_dcjEJ:ivn.org.il/projects/susans-house/page/55/+&cd=2&hl=en&ct=clnk&gl=uk

Official: http://ivn.org.il

US website: http://ivnus.org/contactus/

This will get you going…

:)