Grandma, daughter and granddaughter say they constantly get mistaken as sisters

You can certainly say the genes run strong in the Maxwell family.

Lesley Maxwell is a 65-year-old bodybuilder, and she sports such a youthful look that she's often confused for someone much younger.

So much so that people constantly mistake her, her daughter, and her granddaughter for being sisters.

When you put Lesley next to Vanessa Christofi and Tia Christofi, it's hard to tell that there are decades between them.

"[People are] shocked to find out that I have grandchildren because I guess it is a little out of the ordinary to think that a grandmother is doing deadlifts and chin-ups in the gym," she said.

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The 65-year-old believes weight training can be an incredible way to stay young.

"I'd recommend weight training to women of all ages as there are so many health benefits to training this way," she said.

"It strengthens our bones and helps us tone our body by adding muscle. I’d love to see more women of all ages lifting weights.

"It’s the anti-ageing way to train.

"I usually do four weight training sessions a week, plus as I’m a trainer and in the gym most days, you could say that I get some incidental exercise as I’m often carrying the weights or ’spotting’ my clients.

"I also do some exercise demonstrations, so I guess that also helps."

The trio regularly workout at the same gym together and they say they get looks all the time.

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"People are always surprised to learn that we are actually three totally different generations of a family. However, we always have a wonderful time together chatting, having a laugh and training," she said.

"I’m so blessed to have such a lovely family.

"I'm also very lucky that I get to share clothes with my daughter and granddaughter. When we do shoots together, most of the clothes come from Tia's wardrobe.

"She loves doing the styling and colour coordinating us."

Tia, 22, says her grandmother can easily keep up with their gruelling workouts and they all 'motivate and inspire each other'.

"They're taken back when I correct them and tell them she is my grandmother," she said.

"I film my grandmother and I working out and people love to see it.

""She’s 43 years my senior and we both lift weights and follow the same workout routine while dressed in similar apparel."