Introduce you family in French - French communication 4

The video introduces the speaker's family members, detailing their names, ages, and occupations. The father, Gilbert, is a 60-year-old farmer. The mother, Martine, is a 57-year-old teacher. The sister, Anaïs, is a 31-year-old artist. The brother, Thomas, is a 25-year-old student. The grandparents, Leo and Janine, are retired, with Leo having been 81 and Janine 78 years old.

What are the names of the grandparents?

How old was the grandmother?