Johann Baptist Martinelli or Giovanni Battista Martinelli (b. February 1701, Vienna

Vienna

Vienna is the capital and largest city of the Republic of Austria and one of the nine states of Austria. Vienna is Austria's primary city, with a population of about 1.723 million , and is by far the largest city in Austria, as well as its cultural, economic, and political centre...

 - d. June 21, 1754, Vienna) was an Austria

Austria

Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

n architect

Architect

An architect is a person trained in the planning, design and oversight of the construction of buildings. To practice architecture means to offer or render services in connection with the design and construction of a building, or group of buildings and the space within the site surrounding the...

 and constructor

Constructor

Constructor may refer to:*Constructor , object-organizing method* Constructor , a 1997 PC game by Acclaim, the prequel of Constructor: Street Wars...

 of Italian

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 descent

Cultural heritage

Cultural heritage is the legacy of physical artifacts and intangible attributes of a group or society that are inherited from past generations, maintained in the present and bestowed for the benefit of future generations...

.

He was the son of architect Franz Martinelli

Franz Martinelli

Franz Martinelli or , was an Austrian architect born in Italy.Franz Martinelli participated in the construction of the Peterskirche in Vienna. In 1684 he was in charge of the restoration work of the Servitenkirche in Vienna...

. In cooperation with his brother Anton Erhard Martinelli

Anton Erhard Martinelli

Anton Erhard Martinelli was an Austrian architect and master-builder of Italian descent.Martinelli was born in Vienna. He was the son of architect Franz Martinelli....

, he designed the plans of several baroque

Baroque

The Baroque is a period and the style that used exaggerated motion and clear, easily interpreted detail to produce drama, tension, exuberance, and grandeur in sculpture, painting, literature, dance, and music...

 churches in the Habsburg

Habsburg

The House of Habsburg , also found as Hapsburg, and also known as House of Austria is one of the most important royal houses of Europe and is best known for being an origin of all of the formally elected Holy Roman Emperors between 1438 and 1740, as well as rulers of the Austrian Empire and...

 empire, among which the church in Grossweikersdorf, the Holy Trinity Cathedral

Holy Trinity Cathedral, Blaj

The Holy Trinity Cathedral in Blaj, Romania is a Romanian Greek Catholic cathedral commissioned by bishop Inocențiu Micu-Klein in 1738. The church was built by Viennese architects Anton Erhard Martinelli and Johann Baptist Martinelli, being completed in 1749....

 in Blaj

Blaj

Blaj is a city in Alba County, Transylvania, Romania. It has a population of 20,758 inhabitants.The landmark of the city is the fact that it was the principal religious and cultural center of the Romanian Greek-Catholic Church in Transylvania....

 and the church in Dunaalmás

Dunaalmás

Dunaalmás is a village in Komárom-Esztergom county, Hungary....

. He also designed several mansion

Mansion

A mansion is a very large dwelling house. U.S. real estate brokers define a mansion as a dwelling of over . A traditional European mansion was defined as a house which contained a ballroom and tens of bedrooms...

s among which the one in Dolná Krupá

Dolná Krupá

Dolná Krupá is a village and municipality of Trnava District in the Trnava region of Slovakia. It is located in the Danubian Hills at around 12 km from the city of Trnava.The important sights in the village are:* the Saint Andrew church, built in 1807-1811...

.