Kourtney Kardashian Posts Throwback Family Photos of Parents Kris Jenner and Robert Kardashian Sr.

One black-and-white image featured Kourtney's parents enjoying a bite to eat

Kourtney Kardashian Barker is giving fans a peek into her family history!

The Lemme co-founder, 45, shared a look at two black-and-white throwback family photos to her Instagram Story on Friday, June 28.

Kourtney documented two wholesome scenes framed to the wall of her relatives — including momager Kris Jenner, her late father Robert Kardashian Sr., and Kris' mother Mary Jo "MJ" Shannon.

The photo most prominently featured showed both of Kourtney's parents dining out. In the image, Kris, now 68, wore a white coat and her hair in a bob as she stared lovingly at Kourtney's father, who rocked a sleek bomber jacket, baseball cap and thick mustache.

Robert — the father of Rob Jr., Kim, Khloé and Kourtney — died in September 2003 at age 59 after being diagnosed with esophageal cancer.

Related: Kourtney Kardashian Recalls Pressure to Bounce Back After Welcoming Son Mason in 2009: 'Stressing Myself Out'

While Kourtney is reflecting on her family's past, she's also celebrating the present.

After welcoming baby boy Rocky Thirteen — who she shares with husband Travis Barker — in November, Kourtney revealed on the latest episode of Hulu series The Kardashians that she ultimately decided not to leave her house for 40 days after giving birth.

She opened up about her choice to sister's Kim Kardashian and Khloé Kardashian.

"I'm doing, like, where you stay home for 40 days," Kourtney said. "You're staying home for 40 days and 40 nights?" Khloé asked in response, surprised.

"In many different cultures, women don't leave the house after having a baby for 40 days, to let your body have that time to heal and beyond that," Kourtney said in a confessional. "I'm really into attachment parenting. I really don't separate from him. I love being at home right now, like my time is dedicated to taking care of my baby and bonding with him."

As Kourtney told her sister, she didn't "wanna even go anywhere still."

"Welcome to my daily life. I haven't had a baby and I'm still doing the 40 days," Khloé quipped.

Related: Kris Jenner Accidentally Revealed Kourtney Kardashian's Son's Name at Baby Shower: 'How Do You Let It Slip?'

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And just like Kourtney enjoys looking back at classic family moments, her family is also fond of the classics. In another episode of The Kardashians this month, Kourtney revealed that the only musician her husband wanted to listen to during the delivery of their son Rocky was Frank Sinatra.

"Right when Travis started playing music, I think he felt that he was gonna have these rock vibes. And then right when he went to select the music, he went for some Frank Sinatra," she said in a confessional.

"We listened only to Frank Sinatra during the birth."

Kourtney is also mom to son Reign Aston, 9, and Mason Dash, 14, plus daughter Penelope Scotland, 11, with ex Scott Disick, while Barker shares son Landon, 20, daughter Alabama, 18, and stepdaughter Atiana De La Hoya, 25, with his ex-wife Shanna Moakler.

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