Mark 6:3, John 7:3-5, Matt 12:46-47, Mark 3:21 Who was Jude? ...half brother to Jesus 

Jude v1-2 Context of Jude: Who (author/audience), what (genre), when/where/why (written)

Jude v3-16 Warning against listening to false teachers & falling away from true faith in Jesus

Genesis 18-19, Ezekiel 16:49-50 Refresher: What was the sin of Sodom & Gomorrah?

Num 22, 31:16, Jude v11, Rev 2:14, 2 Pet 2:15 What was Balaam's error?

Genesis 4, Hebrews 11:4, 1 John 3:11-12 What was the way of Cain?

Numbers 16:1-50 What was Korah's rebellion?

Jude v17-23 A call to persevere

Jude v24-25 Doxology