See below to link of Priam's children, incuding Deiphobus.
Papilio deiphobus was created in 1758.
Athena disguised herself as Deiphobus in order to deceive Hector.
On the fall of Troy, Menelaus smote Deiphobus in the belly, and poured forth his liver and guts.
Menelaus
Deiphobus, horribly mutilated during the sack of Troy, appears to Aeneas in the Underworld. He tells him the story of his death, which entails Helen's betrayal in signaling Menelaus to Deiphobus's bedchamber. He was mutilated in the sack of Troy. While with Aeneas, he begs the gods for revenge against the Greeks.
Dēiphobus, in Greek myth, son of Priamhttp://www.answers.com/topic/priam, king of Troy, and of Hecuba. He took a prominent part in the fighting at Troy. After the death of Paris he married Helen and was subsequently killed at the fall of Troy. His body disappeared, but Aeneas erected a cenotaph to him on Cape Rhoeteum; on his visit to the Underworld Aeneas heard the story of his death from Deiphobus himself (see http://www.answers.com/topic/aeneid%29.
Athena changed herself into Hector's brother, Deiphobus.
when a sibling is jealous of another sibling.
Usually when the older sibling is 10, 11, or 12, depending on the parent and how the older sibling and the younger sibling are like.
There is no requirement for a sibling to be in a will.
Yes Helen was married to Menelaus and married also to Prince Paris of Troy and after his death to Deiphobus his brother, both sons of Priam King of Troy. After Deiphobus died at Menelaus's hands, he took back Helen as his wife as he had intended from the start of the Trojan war.
Sure, here is an example sentence using "sibling": "I have one sibling, a brother named Michael."