Charles The Hammer Martel was the son of Pepin of Herstal and his second wife Alpaida. He had a brother named Childebrand, who later became the Frankish dux (that is, duke) of Burgundy. In older historiography, it was common to describe Charles as illegitimate.
Walking each mile in 20 minutes. If you feel comfortable and safe going a bit faster, a better workout is available in the same one-hour time period. By increasing the treadmill rate to 3 miles per hour, that 150 pound person would burn about 400 calories per hour on a level treadmill.
Unsurprisingly, it's likely not a whole lot, especially since I live in Los Angeles, where nobody walks. As the New York Times explained in 2010, it is common for the health community to encourage people to walk 10,000 steps per day, which is about five miles. Researchers say it takes roughly 2,000 steps to reach a mile. But the average American only walks about half the recommended amount of 10,000 steps, according to Catrine Tudor-Locke, director of the Walking Behavior Laboratory at Pennington Biomedical Research Center.