Luke 7:12

7:12 As he approached the town gate, a man who had died was being carried out, the only son of his mother (who was a widow), and a large crowd from the town was with her.

Genesis 44:20-22

44:20 We said to my lord, ‘We have an aged father, and there is a young boy who was born when our father was old. The boy’s brother is dead. He is the only one of his mother’s sons left, and his father loves him.’

44:21 “Then you told your servants, ‘Bring him down to me so I can see him.’ 44:22 We said to my lord, ‘The boy cannot leave his father. If he leaves his father, his father will die.’

Job 1:18-19

1:18 While this one was still speaking another messenger arrived and said, “Your sons and your daughters were eating and drinking wine in their oldest brother’s house, 1:19 and suddenly a great wind swept across the wilderness and struck the four corners of the house, and it fell on the young people, and they died! And I – only I alone – escaped to tell you!”

Zechariah 12:10

12:10 “I will pour out on the kingship of David and the population of Jerusalem a spirit of grace and supplication so that they will look to me, the one they have pierced. They will lament for him as one laments for an only son, and there will be a bitter cry for him like the bitter cry for a firstborn.