The lawsuit, filed Friday, comes eight months after Malaysia Airlines Flight 370 disappeared. It is the first lawsuit filed by the relatives of those lost in the disaster.
Jee Kinson, 13, and Jee Kinland, 11, are suing both Malaysia Airlines and the Malaysian government, claiming that the airlines and the government were "negligent" because they "failed to take all due measures to ensure a safe flight," according to The Associated Press.
The boys are seeking damages for "mental distress" and for the "loss of support" after the loss of their father, Jee Jing Hang.
Malaysia Airlines Flight 370 disappeared on March 8 during a flight from Kuala Lumpur to Beijing, with 239 passengers. It is believed to have crashed in the Indian Ocean, where there are ongoing searches for the wreckage.