In Islam it is forbidden to marry a niece. Your niece would be the daughter of your brother or sister.
It is not permissible for a man to be married to two sisters at the same time or to a woman and her paternal or maternal aunt at the same time, because Allah says (interpretation of the meaning): “Forbidden to you (for marriage) are: your mothers, your daughters, your sisters, your father's sisters, your mother's ...
You cannot marry your mother, grandmother, daughter, granddaughter, sister, niece, great-niece, aunts, or great-aunts. You also cannot marry someone who is also related to you through such relatives.
Scholars mention that a stepdaughter in any condition whether she is under your care/guardianship or not. It's prohibited to marry her. Suppose you got married to a woman, even if divorce happens still, you are not permitted to marry the stepdaughter.
31 So in Muhammadiyah's perspective, the marriage of a biological father with his daughter resulting from adultery is not valid according to Islamic law and is morally forbidden.
Similarly the daughter may kiss her father on the nose or head without desire. But if there is any feeling of desire, then it is prohibited for either of them to do that, so as to avoid Fitnah (temptation) and ward off the means that may lead to evil actions.
As per the Hindu Marriage Act, it is illegal to marry within certain degrees of prohibited relationships. The Hindu Marriage Act prohibits marriages between certain close relatives, including the relationship between a man and his mother's brother's daughter.
“Allah Almighty has stipulated in the Holy Quran, specifically in Surah an-Nisa, verses 23 to 25, the women with whom marriage is prohibited for Muslims. Among these women, no prohibition is imposed on marrying the widow or divorcee of one's brother.
7 7 7 rule in Islam The "7-7-7 rule" in Islam refers to a parenting method, often attributed to the teachings of Imam Ali and the Prophet Muhammad (PBUH), that divides a child's upbringing into three seven-year stages: the first seven years are for play and being a "master," the next seven years (ages 7-14) are for ...
After Mumtaz died, Shah Jahan, the Mughal emperor who constructed the Taj Mahal, married his own daughter Jahanara because he thought she resembled Mumtaz.
There is no objection whatsoever in the Islamic religion for a man to marry any of his relatives except al-maharim (those forbidden for marriage ) whom Allah mentioned in Surat Al-Nisa, 4:23 (interpretation of the meaning): “Prohibited to you (for marriage) are: your mothers, daughters, sisters; father's sisters, ...
Thus, treating nephews gently and lovingly is something that is recommended in Islam. There is also nothing wrong if one kisses and touch them as they are mahrams (husband or close male relative forbidden in marriage).
Having children with your eighth, sixth, or even a fifth cousin, is not inbreeding, whereas first-cousin parenting is inbreeding to such a degree that there are laws dealing with it. But fascinating research shows that the highest human fertility rates exist among couples who are 3rd cousins.
Some scholars forbade kissing on the mouth, in particular, because it is often lustful. Safety from Fitnah (temptation) is a condition in handshaking, embracing, or kissing (between a brother and sister); if there is fear of Fitnah, then none of that is permissible.
For women, marriage to anyone but a Muslim man is not permissible. The spouse may not be a close relative unless it is a cousin, including first cousins. As cousins are not mahram. Also forbidden to marry are those of the same sex, anyone who has had the same wetnurse feed them.
Sibling marriage is legally prohibited in most countries worldwide, with a partial exception being Sweden, where marriages between half-siblings are legally permitted. Innate sexual aversion between siblings forms due to close association in childhood, in what is known as the Westermarck effect.
Some say these major sins are seven, and in support of their position they quote the hadith: “Avoid the seven noxious things: associating anything with Allah, magic, killing one whom Allah has declared inviolate without a just cause, consuming the property of an orphan, devouring riba (interest), turning back when the ...
This sensory focus helps interrupt escalating anxiety and supports calming responses. The rule is easy to apply in everyday situations. Children are guided to name three things they see, three things they hear, and move three body parts.
The Second Stage (7 to 14 Years)
Now begins the teaching phase. The Prophet recommended that children should start learning Salah (prayer) at this age. It's a signal that this is the time for structured learning. Parenting in Islam during these years focuses on discipline, but not punishment.
Marrying the sister's daughter is completely forbidden in Sharia. The evidence for this is the Holy Qur'an.
“Marrying a mother-in-law is permanently prohibited as long as a man enters into a marriage contract with her daughter, regardless of whether intimate relation has taken place or not. This is a well-known and established ruling in Islam.
In India, under the Hindu Marriage Act, marrying your father's brother's daughter (your first cousin) is generally prohibited, as it falls within the category of sapinda relationships which outlines degrees of kinship where marriage is not allowed.
In the United States, second cousins are legally allowed to marry in every state. However, marriage between first cousins is legal in only about half of the American states. All in all, marrying your cousin or half-sibling will largely depend on the laws where you live and personal and/or cultural beliefs.
Your niece is your siblings's daughter. It's as simple as that. Your parents' brothers and sisters are your uncles and aunts. If you are female, you are their niece.
Leviticus 20:21 New International Version (NIV)
“ 'If a man marries his brother's wife, it is an act of impurity; he has dishonored his brother. They will be childless.