Augustus was born in Neuburg in 1582 as the second son of Philip Louis of Palatinate-Neuburg and Anna of Cleves.

[citation needed] After his father's death in 1614 his territories were partitioned between Augustus and his two brothers - Augustus received northern portions of the Duchy of Neuburg which were constituted as the Duchy of Sulzbach.

[citation needed] Augustus died in Windsheim in 1632 and was buried in Lauingen.

[citation needed] He was a nephew of Countess Palatine Barbara of Zweibrücken-Neuburg.

[citation needed] Augustus married Hedwig of Schleswig-Holstein-Gottorp (23 December 1603 – 22 March 1657), daughter of Duke John Adolph and Princess Augusta of Denmark, on 17 July 1620 and had the following children: