Sasha just turned 1 in July. Is a big dog weighing around 100lb. 1/2 english mastiff 1/2 Norwegian elkhound. Knows the sit, lie down, silent, roll over commands, does excellent on a leash. Taught to stay behind or beside you on a leash while walking. She needs a farm yard to live on. Does good with other dogs when introduced slowly. Does have guard dog instincts. Puts up with anything from our children.