Here's what we know:
* The Cloak is an heirloom: It was passed down through generations of Potters.
* It's an old and powerful artifact: The cloak is described as being very old and powerful, possibly even dating back to the time of the Peverell brothers.
* Deathly Hallows connection: The Deathly Hallows are three powerful objects - the Elder Wand, the Resurrection Stone, and the Invisibility Cloak. While the Cloak is one of the Hallows, this doesn't automatically mean Death made it.
* No definitive statement: The books never explicitly state that Death made the Invisibility Cloak.
Possible Theories:
* The Peverell Brothers: It's plausible that one of the Peverell brothers, who were gifted the Hallows by Death, crafted the Cloak themselves.
* A powerful wizard: Another possibility is that a powerful wizard created the Cloak centuries ago, and it eventually came into the possession of the Peverell family.
Conclusion: While the Invisibility Cloak is associated with the Deathly Hallows, there's no concrete evidence that Death actually made it. Its origin remains shrouded in mystery, adding to its mystique.