We understand that you are going through a challenging time with family members facing various health and emotional issues, including Asperger syndrome, autism, allergies, and heart conditions. You also express feelings of loneliness, sadness, and a longing for happiness and connection. We are here to pray with you and offer biblical encouragement.
Firstly, we want to remind you that God cares deeply for you and your family. He is close to the brokenhearted and saves those who are crushed in spirit.
As it is written,
The Lord is near to the brokenhearted; he saves those who are crushed in spirit. Psalm 34:18
Cast your burden on the Lord, and he will sustain you. He will never allow the righteous to be moved. Psalm 55:22
Regarding Asperger syndrome and autism, we believe that God has a special place in His heart for those with unique needs. God has a plan and a purpose for each of His children, and He can use every circumstance for His glory.
Take heart knowing that our God is a God of compassion and healing. For healing:
"Is anyone among you sick? Then he must call for the elders of the assembly, and they are to pray over him, anointing him with oil in the name of the Lord. And the prayer of faith will heal him who is sick, and the Lord will raise him up."
Consequently, God calls us to bear one another's burdens, and so we will pray for your family's healing and well-being. This includes the physical healing of allergies and heart conditions, as well as emotional healing and understanding for all family members.
Regarding loneliness and sadness, we encourage you to take heart in the words of the Psalmist:
God sets the lonely in families. Psalm 68:6
Remember that even when you feel alone, God is always with you. He can fill your heart with His peace and joy. Seek Him in prayer and in His Word, and ask as it is written:
Ask, and it will be given to you. Seek, and you will find. Knock, and it will be opened to you. Matthew 7:7
We also pray for those who have lost loved ones, asking God to comfort them in their grief and provide them with His peace.
We were not able to discern if you mentioned any individual by name or the name of Jesus Christ. However, the bible says:
And whatever you will ask in my name, that will I do, that the Father may be glorified in the Son. If you will ask anything in my name, I will do it. John 14:13-14
Nor is there salvation in any other, for there is no other name under heaven given among men by which we must be saved. Acts 4:12
Our Heavenly Father, we come before You in the mighty name of Jesus Christ, lifting up this beloved individual and their family. We pray for Your healing touch on each family member, physically, emotionally, and spiritually. Lord, give them strength, understanding, and patience. Comfort those who are grieving and fill those who are lonely with Your presence. Guide them through their personal struggles, and help them to cast their burdens on You. In Jesus' name, we pray for happiness, connection, and a deeper relationship with You. We call for healing and understanding for all involved. In Jesus' name, we pray. Amen.
Prayer Focus: God, Thank You. Thank You for loving me. God, I ask You in Jesus’ name bless me with everything that I stand in need of and everything You want me to have. Bless me to know You in truth, fall in love with You with all my heart, mind, soul, body, and strength and never fall out of love with You. Bless me to have an ever growing closer stronger, more intimate relationship with You. Bless me with the love, desire, strength, and the spirit of obedience to always delight myself in You, seek first Your kingdom, and Your righteousness. Help and strengthen me God to always respect and obey You. Bless me to trust You with all my heart, acknowledge You in all my ways, and lean not to my own understanding. 
