That grief is "unmanly" and everyone's father dies at some point, you just have to get over it.
Hamlet's uncle Claudius killed Hamlet's father (called Hamlet Sr.). The ghost of Hamlet Sr. comes back from the dead and tells Hamlet Jr. so. Hamlet Jr. confirms this by re-enacting the murder as a play, which upsets Uncle Claudius.
Hamlet's father is dead. His uncle (Claudius) marries his mother. Hamlet sees his father's ghost and the ghost tells him that Claudius murdered him. Hamlet seeks revenge and kills Claudius. Hamlet also dies. There are many others plots in Hamlet but that is the main one
Claudius is Hamlet's uncle (his father's brother)
Hamlet's mother married his uncle (his father's brother) after his father's death.
His brother, Claudius, came out into the garden while King Hamlet was sleeping and poured poison into his ear.
Gertrude's first husband was King Hamlet. King Hamlet was the brother of Claudius. This makes Claudius and Gertrude in-laws. After Claudius murders King Hamlet, he marries Gertrude, so they are then husband and wife.
Hamlet's uncle Claudius killed Hamlet's father (called Hamlet Sr.). The ghost of Hamlet Sr. comes back from the dead and tells Hamlet Jr. so. Hamlet Jr. confirms this by re-enacting the murder as a play, which upsets Uncle Claudius.
Hamlet's father's rival was Hamlet's stepfasther, Gertrude's second husband, Claudius.
Hamlet's father is dead. His uncle (Claudius) marries his mother. Hamlet sees his father's ghost and the ghost tells him that Claudius murdered him. Hamlet seeks revenge and kills Claudius. Hamlet also dies. There are many others plots in Hamlet but that is the main one
Claudius is Hamlet's uncle (his father's brother)
Claudius married Hamlet's mother and became Hamlet's stepfather in the place of his father. He also replaced Hamlet's father as king.
Hamlet is told by the ghost of his father that he was murdered by Hamlet's uncle Claudius who is now the king and Hamlet's stepfather. In the process of pursuing his revenge, Hamlet kills Polonius, Claudius's counsellor and the father of Hamlet's girlfriend Ophelia. Ophelia goes mad and dies, and her brother Laertes comes vowing vengeance for his father's death. Laertes and Claudius plot Hamlet's death, but although Hamlet is mortally wounded, their plot misfires, killing Hamlet's mother and Laertes. Hamlet kills Claudius before he, too, expires.
Hamlet's mother married his uncle (his father's brother) after his father's death.
His brother, Claudius, came out into the garden while King Hamlet was sleeping and poured poison into his ear.
Hamlet's father is murdered by Claudius (Hamlet's uncle).
The uncle poured poison down his father's ear. Hamlet suspects that Claudius, his uncle, is a murderer in that he suspects that Claudius killed Hamlet's father, Claudius's brother, in order to become King. When the Ghost reveals to Hamlet that he was killed by Claudius, Hamlet's immediate reaction is, "O my prophetic soul! My uncle?"--which is a pretty clear indication that Hamlet had some serious suspicions beforehand.
Hamlet kills Polonius thinking that it is Claudius eavesdropping on him.