BY TIM FALL, For The OklahomanMOORE — Like son, like father. And like brother. The Jennings family — John and his sons Jesse and Justin — comprise two generations of builders, yes, but their family-owned Canterra Signature Homes wasn’t built up, then handed down. More like built up, then spread around. Jesse started building houses at age 20, back in 2001.Read more on NewsOK.com