"My sister and I liked to perform all the time, (including) skits at home. When she started succeeding, I realised you can do this as a job," he told the in 2014.
"She is such a grounded, supportive and intelligent girl. There’s such a business side to this world ... and she’s helping with (that)."
Then there’s Margot’s older brother, Lachlan ‘Lockie’ Robbie who is also in ‘the biz’ working as a stunt man.
Margot also has a sister, Anya (who as far as we can tell isn't on social media) to balance out the boys, and the four were raised by their mum, Sarie Kessler, at their family home in Queensland.
It was revealed this week that Margot’s father, Doug Robbie, a "sugarcane tycoon" from Queensland isn’t in touch with the 26-year-old actress.
'Anya [Margot's sister] and Margot don't want to know him,' a source told New Idea.
According to the report, Margot’s brother Lockie is the only sibling who is close with their father, posting a photo on Instagram for Father’s Day.