Twins

The twin brothers, Jim Lewis and Jim Springer, were separated at birth, adopted by different families.
 
Unknown to each other, both families named the boys James. Both James grew up not knowing of the other, yet both sought law-enforcement training, both had abilities in mechanical drawing and carpentry, and each had married women named Linda. Both had sons, one of whom was named James Alan and the other named James Allan. The twin brothers also divorced their wives and married other women – both named Betty. And they both owned dogs which they named Toy.