Kim Kardashian just revealed a very important tradition of her family to honor the legacy of their father, Robert Kardashian. The reality star shared a tradition which she and the rest of the family maintain in honor of their father's memory.

Kim shared a thoughtful tradition of her family exactly on the 73rd birthday of their father. She actually posted a throwback photo of her along with her mom Kris Jenner, sisters Kourtney Kardashian and Khloe Kardashian and brother Rob Kardashian.

As reported on E! News, she posted the photo with the caption: Happy Birthday dad! I love this family photo. I love our family. Thank you for ECERYTHING. I'm so grateful you are my dad!"

After that thoughtful message for her dad, Kim Kardashian also went on sharing a letter her father gace her after her high school graduation. According to the reality star, her father used to write her letters and she was 23 when her father passed way back 2003.

Kim also found inspiration from what her dad was doing to her before. She shared that she writes her two kids with Kanye West letter every year to reflect on the year they had including the fun and precious memories they had. She then added that she would give those letters when her kids turn 21.

Apart from Kim, Kourtney Kardashian likewise shared a heartening tribute to their father which she posted ion her Instagram account. Like Kim, she also made use of a vintage photo of herself with her father and her mother holding her.

Kourtney also captioned the photo with these words: "Happy birthday to the most handsome, funniest. Sweetest, best daddy in the world! #MoustacheOnFleek"

Meanwhile, Rob Kardashian also did the same and reflected on his own daughter with Blac Chyna. Rob posted a photo of his father with the caption: "Wish you were here to meet Dream." Besides that, Rob also posted a lot of sweet snapchats with his deceased father.

The last member of the family who gave honor to the late Kardashian patriarch was Kris Jenner. Kris posted on her Twitter account telling that she's grateful for the love he gave her as well as the lessons he imparted to the kids.

Kim Kardashian's mom later added her tweet by telling that she always misses him and that she is so blessed to have Robert Kardashian in his life. Lastly, Kris Jenner went on sharing that she will forever cherish each memory they had.