Thomas Martin Einstein
Albert Einstein had three children, Lieserl Maric (1902–1903?), Hans Albert Einstein (1904–1973), and Eduard "Tete" Einstein (1910–1965), but only Hans Albert is known to have married and had children. Hans Albert's only biological child to survive to adulthood was Bernard Caesar Einstein (1930–2008), who was a physicist and the father of Thomas Martin Einstein.
Alison Bettles
Bettles is married and has four children—three boys and a daughter. Bettles' children have also taken to performing, with her son Albert Valentine appearing in the "Doctor Who" episodes, "The Empty Child" and "The Doctor Dances". Another son, Arthur, has appeared in "EastEnders".