João Baptista de Oliveira
- see device in Lochac Roll of Arms
- resident of Ynys Fawr
- formerly or alternatively known as João Baptista Oliveira
- formerly or alternatively known as Joao Baptista Oliveira
- formerly or alternatively known as Juan Baptiste de Oliviera
- 2323rd in sequence in the Order of Precedence
- Award of Arms
- given by Alfar II and Gudrun II,
- on 3 June 2007,
- at Ynys Fawr Baronial Investiture of Snorri and Stella (2-3 Jun 2007 at Tasmania, AU).