The general effects of Mars in the first house/ascendant/lagna in the birth chart, D1, regarding personality and relationships with others, without affliction

1/ General characteristic:

• The person has the will to fight for what he believes in (willpower, not always physical)
• Transform oneself after losses in matters related to Mar's signification (does anyone know this character in the photo?)
• Benefic Mars: one is healthy, active, and has a good physique
• Malefic Mars: problems with eyesight, and often has injuries on the body

2/ Mars in different signs

2.1/ In Signs ruled by Mars: Aries and Scorpio

• Aries: the person will take the lead (manager of a section, a group, organisation, etc) because they fight for position. A straightforward personality, adventurous. Not very favorable for health if Mars Dasa runs, because Mars also rules the 8th house (accident, sickness)
• Scorpio: interested in metaphysical subjects (astrology), clever, diplomatic, overindulgent, fond of high-risk activities (trading), may have a scar on the head, and 2 marriages.
• Both often have properties and money

2.2/ In Signs ruled by Venus: Taurus and Libra

• Taurus: fond of music, sport, influenced by the opposite sex; harsh speech; jealous; small wealth;
• Libra: ambitious, confident, self-made, fond of relationships and businesses. The relationship with the mother might be difficult
• Both may have 2 marriages

2.3/ In Signs ruled by Mercury: Gemini and Virgo

• Gemini: well educated, intelligent, skilful in art, not very friendly towards others
• Virgo: learned, knows scripture, scientific, materialistic, revengeful, faces/fights a lot of enemies
• Both seem to have troubles with … people

2.4/ In Sign ruled by the Moon: Cancer - Debilitated,

• intelligent, egoistic, rich, fond of properties, lack of physical comfort
• Have a good childhood, and the later part of life
• One lives in another’s house. For example, one might grow up at a grandparent’s house, because parents have to work elsewhere. When he grows up, he will still live in a similar situation, and he may put the house under his wife’s name, or the house will be given by somebody else.

2.5/ In Sign ruled by the Sun: Leo

• Interested in the hidden realm (astronomy, astrology), independent, respects elders, impatient, may be rude towards animals, restless, and less physical comfort.
• Wealth grows during Mars Dasa.

2.6/ In Sign ruled by Jupiter: Sagittarius and Pisces

• Sagittarius: conservative, favored by authority, quarrelsome, respects the law but has less respect towards elders, harsh speech
• Pisces: passionate, restless, miserable, disrespects the Guru/teacher/mentor, may live in a foreign country, troubles in love affairs

2.7/ In Sign ruled by Saturn: Capricorn and Aquarius

• Capricorn (exalted): rich, be influential and respected, enjoy pleasure and joy, short-tempered,
• Aquarius: difficult speech, jealous, unhappy, and poor

Here are a few general points about Mars in the 1st House. The whole horoscope must be seen carefully to see the connection between Mars and other planets. Do not judge anyone without a proper understanding!