Case File: Miach vs. Dian Cecht
Case description: When Nuada's hand was chopped off, Dian Cecht, god of healing, and his son, Miach, worked around the clock to make him a new one. Dian got really jealous of Miach's magical talents, though, and killed his son in a case of first-degree murder.
Case status: Settled. Dian Cecht regretted his actions and buried Miach honorably. The Tuatha de Danann (the beneficiaries of Miach's will) didn't press further charges.