Mark 13:12

12 "Brother will deliver up brother to death, and the father his child. Children will rise up against parents, and cause them to be put to death.

Mark 13:12 Meaning and Commentary

Mark 13:12

Now the brother shall betray the brother to death
Signifying, that such should be the rage of men, particularly the Jews, against Christ and his Gospel, that those that were in the nearest relation, were of the same flesh and blood, children of the same parents, should betray and deliver up each other into the hands of the civil magistrate, in order to be put to death:

and the father the son; and children shall rise up against their
parents, and shall cause them to be put to death;
things unnatural and shocking; (See Gill on Matthew 10:21).

Mark 13:12 In-Context

10 The gospel must first be preached to all the nations.

11 When they lead you away and deliver you up, don't be anxious beforehand, or premeditate what you will say, but say whatever will be given you in that hour. For it is not you who speak, but the Holy Spirit.

12 "Brother will deliver up brother to death, and the father his child. Children will rise up against parents, and cause them to be put to death.

13 You will be hated by all men for my name's sake, but he who endures to the end, the same will be saved.

14 But when you see the abomination of desolation, spoken of by Daniel the prophet, standing where it ought not (let the reader understand), then let those who are in Judea flee to the mountains,