Complex sentence: Jakob Danger Armstrong (born September 12,1998) is a guitarist and singer/songwriter who released his first material online in 2015 under the name "Jakob Danger", he is also the youngest child of Billie Joe Armstrong and Adrienne Armstrong.
Split into simpler sentences: Jakob Danger Armstrong (born September 12,1998) is a guitarist and singer/songwriter who released his first material online in 2015 under the name "Jakob Danger". He is also the youngest child of Billie Joe Armstrong and Adrienne Armstrong.