John Marston and Son

 is a mission in Red Dead Redemption.

Story
John meets Jack reading an adventure book under a tree, he takes Jack out to teach him how to track, kill, and skin wild animals.

Walkthrough
Watch the Cut Scene and the mount your horse. You keep with the Dog Rufus. Ride into Tall Trees. Kill the Elk, Skin the ELk.

Follow Rufus to the next lot of elk next to the river.

Watch or help Jack kill the Elk. Watch Jack skin the Elk. (his face is a picture) Ride to Manzanita.

Sell the Elk meat at the Store in Manzanita.

Ride home with Jac