Castor and Pollux.

Castor (Κάστωρ) and Pollux (Πολυδεύκης) were twin brothers in Greek mythology. Also, they were called Dioscuri (Διόσκοροι, Διόσκουροι).

Leda (Λήδα) was Castor's and Pollux's mother. Tyndareus (Τυνδάρεος) (Tundáreōs) was Castor's father. Zeus was Pollux's father.

Timandra (Τιμάνδρα), Clytemnestra (Κλυταιμνήστρα) (Klutaimnḗstra), Helen of Sparta, Philonoe (Φιλονόη), and Phoebe (Φοίβη) (Phoíbē) were Dioscuri siblings.

These brothers were on the expedition of the Argonauts.

Castor and Pollux saved their sister Helen (Ἑλένη) (Helénē) of Troy.

There are different stories about Dioscuri.

Timandra.

Timandra (Τιμάνδρα) was a Spartan princess and queen of Arcadia in Greek legends. Her father was Tyndareus. Her mother was Leda. Helen of Troy, Clytemnestra, Castor and Pollux, and Phoebe were Timandra's relatives. 

She married Echemus, the king of Arcadia. They had a son named Ladocus. 

Timandra left her husband Echemus. She went to Phyleus.

She met with other gods and goddesses.

Source of image:

https://www.istockphoto.com/es/vector/helena-de-troya-y-paris-gm1097924710-294856775

Source of image:

https://www.istockphoto.com/es/vector/orestes-gm508788389-46126016

Source of image:

https://www.shutterstock.com/es/image-vector/isolated-vector-illustration-ancient-greek-lady-794154007

Tyndareus.

Tyndareus (Τυνδάρεος,) was a king of Sparta. His parents were Oebalus and Gorgophone. 

Spartan king married Leda, the Aetolian princess. Tyndareus was the father of Castror, Philinoe, Phoebe, Clytemnestra, and Timandra.

He met with other characters, gods, and goddesses, such as: Heracles, Aphrodite, Agamemnon, Menelaus, Helen of Troy, Odysseus, and etc.

Leda.

 Leda (Λήδα) was a character of Greek myths and legends. Her father was Thestius, king of Pleuronians in Aetolia. Her mother was Deidameia.

Leda married king Tyndareus of Sparta. She had several children: beautiful Helen, Clytemnestra, Castor and Pollux, Timandra, Phoebe and Philonoe. 

There are many paintings and sculptures and Leda.

Source of image:

https://www.shutterstock.com/es/image-photo/croatia-zagreb-7-may-2017-stamp-637486831

Source of image:

https://www.shutterstock.com/es/image-photo/russia-kaliningrad-19-april-2017-stamp-644669500

Source of image:

https://www.shutterstock.com/es/image-photo/queen-sparta-leda-preparing-date-swan-1710059170

Source of image:

https://www.shutterstock.com/es/image-photo/leda-swan-by-bartolomeo-amannatti-bargello-35636869

Source of image:

https://www.shutterstock.com/es/image-photo/turin-piedmont-italy-may-16-2012-1309272766