Behlul is an Arabic and Persian name often given to male children, meaning "the one who laughs a lot" or "smiling." It is synonymous with the words "mütebessim" and "Hürrem," which also mean cheerful and smiling. Another meaning of the name Behlul is a person who extends a helping hand to others, a beneficent individual.

In Kurdish, Behlul is interpreted as "çok gülen" or "çok gülücü," which translates to "laughs a lot" or "smiles a lot."

Berat is an Arabic name that has gained popularity in recent years and refers to a document or patent granted by the state to benefit from certain rights or privileges. It was also used during the Ottoman Empire period.

The name Nihal has two meanings: "taze sürgün ve fidan" which means "fresh shoot and sapling" and "vücudu güzel ve ince olan sevgili," which translates to "a beloved with a fine and elegant body."

Behlül Dana is a Sufi dervish who lived during the time of Abbasid caliph Harun al-Rashid. There is not much information available about his identity, with some claims suggesting he was the brother of Harun al-Rashid. Many sayings and stories commonly attributed to Behlül Dana, as well as some folk tales, have been associated with him.

Behlüldane is defined as a great person who lived during the reign of Caliph Harun al-Rashid and always taught him valuable lessons.

Betül is a name that signifies a modest and morally upright woman. It is an attribute associated with Hazrat Maryam and Hazrat Fatma. Apart from these meanings, Betül can also refer to a sapling that has separated from its tree and taken root.

Hürrem means "sevinçli, neşeli ve şen şakrak kimse" which translates to "a joyful, cheerful, and merry person."

People named Berat are characterized as adventurous and dislike disappointment. They are persistent in their efforts and tend to act according to others' opinions, with a somewhat introverted and easily influenced nature.

The name Berat holds a religious significance related to the Beraat Night, which stands for the Night of Salvation, adding a spiritual dimension to its usage.

Nihal is a Persian-origin name.

When considering the name Nihal according to the Turkish Language Association (TDK), it means: 1. Fidan, taze sürgün (sapling, fresh shoot). 2. İnce ve düzgün vücutlu sevgili (beloved with a fine and elegant body).

As for what to inscribe on a tombstone, Behlül Dana suggests the following words: "Dün altında olan çimenler bugün üstünde yeşerdi. Ey yolcu; anla ki, şu toprak günahtan gayri her şeyi örter."

Behlül Dana passed away in the year 805 (Hijri 190) in Baghdad and was buried in the Şunûziyye cemetery, located alongside the Tigris River.

Unfortunately, there is no conclusive information about Behlül Dana's siblings available in the provided text.