David's mother was of German drop while his father had a blend of French, Canadian, Irish and Finnish family.
Dave, born David Scott Mustaine, was born on September 13, 1961. He is the son of John and Emily Mustaine. Along with three sisters they lived in La Mesa, California. Emily was a housewife and John was an accountant. John was an abusive alcoholic. Not long after Dave's Birth, Emily left John. It was not easy to leave. Dave, his mother, and three sisters moved from house to house and city to city to avoid John.